APA引文

Sharp, A. M. (2002). Economics of social issues. Boston, MA: McGraw-Hill/Irvin.

Trích dẫn kiểu Chicago

Sharp, Ansel M. Economics of Social Issues. Boston, MA: McGraw-Hill/Irvin, 2002.

MLA引文

Sharp, Ansel M. Economics of Social Issues. Boston, MA: McGraw-Hill/Irvin, 2002.

警告：这些引文格式不一定是100％准确.