Gaya APA

McConnell, C, R, B, S, R. (2002). ECONOMICS : Principlis, problems, and policies . Hoboken, NJ: Sams.

Gaya MLA

McConnell, Campbell, R, Brue,, Stanley, R. "ECONOMICS : Principlis, problems, and policies". Hoboken, NJ: Sams, 2002. Text.