APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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