Gaya APA

McConnell, C, R., Brue, S, L. (2002). Economics principles, problems, and policies / 15th ed. (15). Boston, Massachusetts: Irwin McGraw-Hill.

Gaya MLA

McConnell, Campbell, R.., Brue, Stanley, L.. "Economics principles, problems, and policies / 15th ed.". 15 Boston, Massachusetts: Irwin McGraw-Hill, 2002. Text.