Cita APA (7th ed.)

O'Sullivan, A., Sheffrin, S. M., & Perez, S. J. (2012). Economics: Principles, applications, and tools (7th ed.). Pearson Prentice Hall.

Cita Chicago (17th ed.)

O'Sullivan, Arthur, Steven M. Sheffrin, i Stephen J. Perez. Economics: Principles, Applications, and Tools. 7th ed. Boston: Pearson Prentice Hall, 2012.

Cita MLA (9th ed.)

O'Sullivan, Arthur, et al. Economics: Principles, Applications, and Tools. 7th ed. Pearson Prentice Hall, 2012.