Cita APA (7th ed.)

O'Sullivan, A., & Sheffrin, S. M. (2006). Macroeconomics: Principles, and tools (4th ed.). Pearson Prentice Hall.

Cita Chicago (17th ed.)

O'Sullivan, Arthur, i Steven M. Sheffrin. Macroeconomics: Principles, and Tools. 4th ed. Upper Saddle River, N.J: Pearson Prentice Hall, 2006.

Cita MLA (9th ed.)

O'Sullivan, Arthur, i Steven M. Sheffrin. Macroeconomics: Principles, and Tools. 4th ed. Pearson Prentice Hall, 2006.