Cita APA (7a ed.)

Case, K. E., Fair, R. C., & Oster, S. M. (2009). Principles of macroeconomics (9th ed.). Pearson Prentice Hall.

Cita Chicago Style (17a ed.)

Case, Karl E., Ray C. Fair, y Sharon M. Oster. Principles of Macroeconomics. 9th ed. Upper Saddle River, NJ: Pearson Prentice Hall, 2009.

Cita MLA (9a ed.)

Case, Karl E., et al. Principles of Macroeconomics. 9th ed. Pearson Prentice Hall, 2009.