Gaya APA

Mcconnell, C, R., Brue, S, L. (2002). Economics : Principles, Problems, and Policies (Ed. 1). New York: Mc Graw Hill.

Gaya MLA

Mcconnell, Campbell, R.., Brue, Stanley, L.. "Economics : Principles, Problems, and Policies". Ed. 1 New York: Mc Graw Hill, 2002. Text.