Kadafa, A.A. (2012) Oil Exploration and Spillage in the Niger Delta of Nigeria. Civil and Environmental Research, 2, 38-51.
 Gabriel, A.O.I. (2004) Women in the Niger Delta: Environmental Issues and Challenges in the Third Millennium.
 Pirastu, R., Pasetto, R., Zona, A., Ancona, C., Iavarone, I., Martuzzi, M. and Comba, P. (2013) The Health Profile of Populations Living in Contaminated Sites: Sentieri Approach. Journal of Environmental and Public Health, 2013, Article ID: 939267. http://dx.doi.org/10.1155/2013/939267
 Wang, J., Jia, C.R., Wong C.K. and Wong, P.K. (2000) Characterization of Polycyclic Aromatic Hydrocarbon Created in Lubricating Oils. Water, Air and Soil Pollution, 120, 381-396. http://dx.doi.org/10.1023/A:1005251618062
 Okonokhua, B.O., Ikhajiagbe, B., Anoliefo, G.O. and Emede, T.O. (2007) The Effects of Spent Engine Oil on Soil Properties and Growth of Maize (Zea Mays L.). Journal of Applied Sciences and Environmental Management, 11, 147-152.
 Field, C.B., Chapin, F.S., Matson, P.A. and Mooney, H.A. (1992) Responses of Terrestrial Ecosystems to the Changing Atmosphere: A Resource-Based Approach. Annual Review of Ecology and Systematics, 23, 201-235.
 Loske, D., Huttermann, A., Majcherczyk, A., Zadrazil, F., Lorsen, H. and Waldinger, P. (1990) Use of White-Rot Fungi for the Clean-Up of Contaminated Sites. Advances in Biological Treatment of Lignocellulosic Materials, Commission of the European Communities Making for the Remediation of Petroleum—Contaminated Sites. Land Quality Division, 22 September 2003.
 Adedokun, O.M. and Ataga A.E (2007) Effects of Amendments and Bio Augmentation of Soil Polluted with Crude Oil, Automotive Gasoline Oil, and Spent Engine Oil on the Growth of Cowpea (Vignaungiculata L. Walp). Scientific Research and Essay, 2, 147-149. http://www.academicjournals.org/journal/SRE/article-full-text-pdf/75F9B3D12559
 Adedokun, O.M. and Ataga, A.E. (2008) Degradation of Crude Oil by Pleurotus pulmonarius, Pleurotus tuber-regium and Lentinus squarrosulus. Proceedings of the 17th Congress of the International Society for Mushroom Science, Cape Town, 17, 824-832. http://www.pubhort.org/isms/
 Adenipekun, C.O. and Fasidi, I.O. (2005) Bioremediation of Oil Polluted Soil by Lentinus subnudus, a Nigerian White Rot Fungus. Africa Journal of Biotechnology, 4, 796-798. http://www.ajol.info/index.php/ajb/article/view/15184
 Wang, H.Z. and Ng, T.B. (2006) Purification of a Laccase from Fruiting Bodies of the Mushroom Pleurotus eryngii. Applied Microbiology and Biotechnology, 69, 521-525. http://dx.doi.org/10.1007/s00253-005-0086-7
 Ojumu, T.V., Bello, O.O., Sonibare, J.A. and Solomon, B.O. (2005) Evaluation of Microbial Systems for Bioremediation of Petroleum Refinery Effluents in Nigeria. African Journal of Biotechnology, 4, 31-35.
 USEPA (1998) Sonication Extraction Procedure—Method 3550. 3rd Edition, US EPA, Washington DC.
 Buswell, J.A., Cai, Y.J., Chang, S.T., Peberdy, J.F., Fu, S.Y. and Yu, H.-S. (1996) Lignocellulolytic Enzyme Profiles of Edible Mushroom Fungi. World Journal of Microbiology and Biotechnology, 12, 537-542.
 Stamets, P. (2005) Mycelia Running. How Mushrooms Can Help Save the World. Crown Publishing, New York, 343.
 Johannes, C., Majacherczyk, A. and Huttermann, A. (1996). Degradation of Anthracene by Laccase of Trametes versicolor in the Presence of Different Mediator Compounds. Applied Microbiology and Biotechnology, 46, 313-317.
 Bhatt, M., Cajthaml, T. and Sasek, V. (2002) Mycoremediation of PAH-Contaminated Soil. Folia microbiological, 47, 255-258. http://dx.doi.org/10.1007/BF02817647 http://link.springer.com/article/10.1007%2FBF02817647
 Oregon Department of Environmental Quality (ODEQ) (2003) Risk-Based Decision making for the Remediation of Petroleum—Contaminated Sites. Land Quality Division, 22 September 2003.
 CCME (2010) Canadian Soil Quality Guidelines for Carcinogenic and Other Polycyclic Aromatic Hydrocarbons (PAHs) (Environmental and Human Health Effects). Scientific Criteria Document revised, Canadian Council of Ministers of the Environment, Gatineau, 216 p.