APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：這些引文格式不一定是100％准確.