Cita APA (7th ed.)

Salvatore, D., & Diulio, E. A. (1995). Schaum's outline of principles of economics (2nd ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Salvatore, Dominick, i Eugene A. Diulio. Schaum's Outline of Principles of Economics. 2nd ed. New York: McGraw-Hill, 1995.

Cita MLA (9th ed.)

Salvatore, Dominick, i Eugene A. Diulio. Schaum's Outline of Principles of Economics. 2nd ed. McGraw-Hill, 1995.