Cita APA (7th ed.)

Schiller, B. R. (2005). Essentials of economics (5th ed.). McGraw - Hill.

Cita Chicago (17th ed.)

Schiller, Bradley R. Essentials of Economics. 5th ed. Boston: McGraw - Hill, 2005.

Cita MLA (9th ed.)

Schiller, Bradley R. Essentials of Economics. 5th ed. McGraw - Hill, 2005.