Gaya APA

McConnell, C, R., Brue, S, L. (2002). Economics: principles, problem, and policies (15). New York: McGraw-Hill Irwin.

Gaya MLA

McConnell, Campbell, R.., Brue, Stanley, L.. "Economics: principles, problem, and policies". 15 New York: McGraw-Hill Irwin, 2002. Text.