Παραπομπή APA

Ferguson, C. E., & Kreps, J. M. 1. (1962). Principles of economics. New York: Holt, Rinehart and Winston.

Παραπομπή Chicago Style

Ferguson, C. E., and Juanita Morris 1921-2010 Kreps. Principles of Economics. New York: Holt, Rinehart and Winston, 1962.

Παραπομπή MLA

Ferguson, C. E., and Juanita Morris 1921-2010 Kreps. Principles of Economics. New York: Holt, Rinehart and Winston, 1962.

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