APA citiranje

Ferguson, C. E., & Kreps, J. M. (1965). Principles of economics. New York: Holt, Rinehart and Winston.

Trích dẫn kiểu Chicago

Ferguson, C. E., và Juanita M. Kreps. Principles of Economics. New York: Holt, Rinehart and Winston, 1965.

MLA citiranje

Ferguson, C. E., và Juanita M. Kreps. Principles of Economics. New York: Holt, Rinehart and Winston, 1965.