[1] P. Atkins and L. Jones, “Principios de Química, los Caminos del Descubrimiento,” Panamericana, Buenos Aires, 2005.
[2] [2] L. L. Brunton, J. S Lazo and K. L. Parker, “Las Bases Farmacológicas de la Terapéutica,” McGraw Hill, Espa?a, 2006.
[3] L. Stryer et al., “Bioquímica,” Reverté, Barcelona, Espa?a, 2003.
[4] A. C. Guyton, “Tratado de Fisiología Médica,” Elsevier, Espa?a, 2006.
[5] T. Devlin, “Bioquímica,” Reverté, Barcelona, Espa?a, 2003.
[6] H. Moncaleano, C. Furió, J. Hernández and M. L. Calatayud, “Comprensión del Equilibrio Químico y Dificultades en su Aprendizaje, Ense?anza de las Ciencias,” Número Extra, 2003, pp. 111-118.
[7] L. Viennot, “Raisonnement a Plusieurs Variables: Tendances de la Penseé Commune,” Aster, Vol. 14, No. 1, 1992, pp. 127-141.
[8] B. N. Blanchette, and B. R. Singh, “A Single Protein Research Integrated Advanced Biochemistry Laboratory Course; Spectroscopic Determination of Tyrosyl Side Chain pKa,” Biochemical Education, Vol. 28, No. 2, 2000, pp. 107-109.
[9] P. L. Alvarado, J. C. Menéndez and M. T. Ramos, “Medida del pKa de Varios Fenoles y su Aplicación a la Determinación de Parámetros Electrónicos,” 2006. http://www.iupac.org/publications/cd/medicinal_chemistry/Practica-III-5.pdf
[10] G. S. Patterson, “A Simplified Method for Finding the pKa of an Acid-Base Indicator by Spectrophotometry,” Journal of Chemcal Education, Vol. 76, No. 3, 1999, pp. 395.
[11] K. P. Alter, J. L. Molloy and E. D. Niemeyer, “Spectrophotometric Determination of the Dissociation Constant of an Acid-Base Indicator Using a Mathematical Deconvolution Technique,” Journal of Chemistry Education, Vol. 82, No. 11, 2005, pp. 1682-1685.
[12] “The Merck Index,” 13th Edition, Merck & Co., Inc., New Jersey, 2001.
[13] S. W. Tobey, “The Acid Dissociation Constant of Methyl Red,” Journal of Chemistry Education, Vol. 35, No. 13, 1958, pp. 514-515.