Cita APA (7a ed.)

Case, K. E., & Fair, R. C. (2004). Principles of economics (7th ed.). Pearson/Prentice Hall.

Cita Chicago Style (17a ed.)

Case, Karl E., y Ray C. Fair. Principles of Economics. 7th ed. Upper Saddle River, NJ: Pearson/Prentice Hall, 2004.

Cita MLA (8a ed.)

Case, Karl E., y Ray C. Fair. Principles of Economics. 7th ed. Pearson/Prentice Hall, 2004.