APA引文

Sharp, A. M., & Ansel M. Sharp; Charles A. Register; Paul W. Grimes. Economics of social issues. Boston: McGraw-Hill/Irwin.

Trích dẫn kiểu Chicago

Sharp, Ansel Miree, và Ansel M. Sharp; Charles A. Register; Paul W. Grimes. Economics of Social Issues. Boston: McGraw-Hill/Irwin.

MLA引文

Sharp, Ansel Miree, và Ansel M. Sharp; Charles A. Register; Paul W. Grimes. Economics of Social Issues. Boston: McGraw-Hill/Irwin.

警告：这些引文格式不一定是100％准确.