APA引文
Sharp, A. M. (2008). Economics of social issues (18th ed.). McGraw-Hill.
Chicago Style (17th ed.) Citation
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：這些引文格式不一定是100％准確.