APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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