Gaya APA

McCONNELL, C, R., BRUE, S, L. (2012). ECONOMICS; Principles, Problems, and Policies (19th). New York: MCGRAW-HILL.

Gaya MLA

McCONNELL, Campbell, R., BRUE, Stanley, L. "ECONOMICS; Principles, Problems, and Policies". 19th New York: MCGRAW-HILL, 2012. Text.