Gaya APA

Baumol, W, J., Blinder, A, S. (2009). Macroeconomics: principles and policy (9th ed.). MASON USA: South-Western Cengage Learning.

Gaya MLA

Baumol, William, J.., Blinder, Alan, S.. "Macroeconomics: principles and policy". 9th ed. MASON USA: South-Western Cengage Learning, 2009. Computer File.