APA引文

Sharp, A. M. (2008). Economics of social issues (18th ed.). McGraw-Hill.

芝加哥风格引文

Sharp, Ansel M. Economics of Social Issues. 18th ed. Boston: McGraw-Hill, 2008.

MLA引文

Sharp, Ansel M. Economics of Social Issues. 18th ed. McGraw-Hill, 2008.

警告:这些引文格式不一定是100%准确.