Liu, D.F. (2003) Green Transport: A Transport Philosophy of Sustainable Development. Urban Research, 1, 60-63.
 Xu, F., Xiao, Q. and Xu, G.H. (2011) The Analysis of Citizens’ Travel Mode Choice Based on the SPSS. China Collective Economy, 7, 104-105.
 Jiang, Y.H., He, X.Z. and Guo, X.C. (2008) Discussion on the Evaluation Index System of Urban Green Traffic Planning. Journal of Hefei University of Technology (Natural Science), 9, 1399-1402.
 Chen, Z.M. (2003) Policy Science. 2nd Edition. China Renmin University Press, Beijing, 309.
 Dunn, W.N. (2010) Public Policy Analysis: An Introduction. 2nd Edition, China Renmin University Press, Beijing, 234.
 Yan, Q. (2008) Public Policy Science. Social Science Academic Press, Beijing, 243-246.
 House Ernest, R. (1980) Evaluating with Validity. Sage, Beverly Hills, 200.
 Vedung, E. (1997) Public Policy and Program Evaluation. New Brunswick (U.S.A) and London (U.K), Transaction Publishers, 36-39.
 Yang, X.G., Li, X.G. and Sheng, Z.Q. (2010) The Basic Theory and the Goal of Green Transportation.
 He, Y.H. (2009) On Research of Urban Green Transportation. Nanjing Forestry University, 35.
 Zeng, F.S., Kuang, Y.P. and Zhou, L. (2007) The Construction of Indicator System about Rural Public Goods Supply Quality and Its Demonstration Research. Issues in Agricultural Economy, 9, 12-19.
 Deng, Y.P. and Wang, S.Y. (2011) The City Upgrading in the Context of Green Development. Economic Press China, Guangdong, 83-87.