APA ציטוט

Newcomb, S. (1966). Principles of political economy. New York: Harper & Brothers.

Trích dẫn kiểu Chicago

Newcomb, Simon. Principles of Political Economy. New York: Harper & Brothers, 1966.

ציטוט MLA

Newcomb, Simon. Principles of Political Economy. New York: Harper & Brothers, 1966.