Citazione Stile APA (7a Edizione)

Bartley, W. A., Diulio, E. A., & Salvatore, D. (2003). Principles of economics: Based on Schaum's outline of theory and problems of principles of economics/ Dominick Salvatore and Eugene Diulio (2nd ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Bartley, William Alan, Eugene A. Diulio, e Dominick Salvatore. Principles of Economics: Based on Schaum's Outline of Theory and Problems of Principles of Economics/ Dominick Salvatore and Eugene Diulio. 2nd ed. New York: McGraw-Hill, 2003.

Citatione MLA (9a ed.)

Bartley, William Alan, et al. Principles of Economics: Based on Schaum's Outline of Theory and Problems of Principles of Economics/ Dominick Salvatore and Eugene Diulio. 2nd ed. McGraw-Hill, 2003.