APA引文

McConnell, C. R. (1999). Economics: Principles, problems, and policies. New York: McGraw-Hill.

Trích dẫn kiểu Chicago

McConnell, Campbell R. Economics: Principles, Problems, and Policies. New York: McGraw-Hill, 1999.

MLA引文

McConnell, Campbell R. Economics: Principles, Problems, and Policies. New York: McGraw-Hill, 1999.

警告：這些引文格式不一定是100％准確.