Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Case, Karl E., i Ray C. Fair. Principles of Economics. 7th ed. Upper Saddle River, N.J.: Prentice Hall, 2004.

Cita MLA (8th ed.)

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