Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

O'Sullivan, Arthur, e Steven M. Sheffrin. Economics: Principles and Tools. 4th ed. Upper Saddle River, NJ: Pearson/ Prentice Hall, 2006.

Citatione MLA (8a ed.)

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