Sharp, A. M., Register, C. A., & Grimes, P. W. (2013). Economics of social issues (Twentieth edition.). McGraw-Hill.
芝加哥风格引文Sharp, Ansel Miree, Charles A. Register, 与 Paul W. Grimes. Economics of Social Issues. Twentieth edition. New York: McGraw-Hill, 2013.
MLA引文Sharp, Ansel Miree, et al. Economics of Social Issues. Twentieth edition. McGraw-Hill, 2013.
警告:这些引文格式不一定是100%准确.