Cita APA (7th ed.)

Melvin, M., & Boyes, W. (2011). Principles of Macroeconomics (8th ed.). South-Western Cengage Learning.

Cita Chicago (17th ed.)

Melvin, Michael, i William Boyes. Principles of Macroeconomics. 8th ed. Australia: South-Western Cengage Learning, 2011.

Cita MLA (9th ed.)

Melvin, Michael, i William Boyes. Principles of Macroeconomics. 8th ed. South-Western Cengage Learning, 2011.