Παραπομπή APA

Ferguson, C., & Vaish, M. C. (1965). Principles of economics/2e (2nd ed.). Holt, Rinehart and Winston.

Παραπομπή Chicago Style

Ferguson, C.E, και M. C. Vaish. Principles of Economics/2e. 2nd ed. New York: Holt, Rinehart and Winston, 1965.

Παραπομπή MLA

Ferguson, C.E, και M. C. Vaish. Principles of Economics/2e. 2nd ed. Holt, Rinehart and Winston, 1965.