APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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