APA-referens (7:e uppl.)

Mankiw, N. G., & Hakes, D. R. (2015). Principles of microeconomics: Study guide, seventh edition. Cengage Learning.

Chicago-referens (17:e uppl.)

Mankiw, N. Gregory, och David R. Hakes. Principles of Microeconomics: Study Guide, Seventh Edition. Stamford, CT: Cengage Learning, 2015.

MLA-referens (9:e uppl.)

Mankiw, N. Gregory, och David R. Hakes. Principles of Microeconomics: Study Guide, Seventh Edition. Cengage Learning, 2015.