APA-viite (7. p.)

Krugman, P. R., & Wells, R. (2009). Microeconomics (2nd ed.). Worth Publishers.

Chicago-viite (17. p.)

Krugman, Paul R., ja Robin Wells. Microeconomics. 2nd ed. New York, NY: Worth Publishers, 2009.

MLA-viite (8. p.)

Krugman, Paul R., ja Robin Wells. Microeconomics. 2nd ed. Worth Publishers, 2009.