Gaya APA

Brue, S, L., McConnell, C, R. (1993). Macroeconomics : principles, problems and policies (12th.ed.). New York: McGraw-Hill, Inc..

Gaya MLA

Brue, Stanley, L.., McConnell, Campbell, R.. "Macroeconomics : principles, problems and policies". 12th.ed. New York: McGraw-Hill, Inc., 1993. Text.