Gaya APA

Frank, R, H., Bernanke, B, S. (2009). Principles of microeconomics (4th ed.). Boston: Tata McGraw - Hill Publishing Company.

Gaya MLA

Frank, Robert, H.., Bernanke, Ben, S.. "Principles of microeconomics". 4th ed. Boston: Tata McGraw - Hill Publishing Company, 2009. Text.