APA ציטוט

Clayton, G. E. (2001). Economics: Principles and practices. New York: McGraw-Hill.

Trích dẫn kiểu Chicago

Clayton, Gary E. Economics: Principles and Practices. New York: McGraw-Hill, 2001.

ציטוט MLA

Clayton, Gary E. Economics: Principles and Practices. New York: McGraw-Hill, 2001.