APA引文

Okun, A. M. (1975). Equality and efficiency: The Big tradeoff. Washington: The Books Institution.

Trích dẫn kiểu Chicago

Okun, Arthur M. Equality and Efficiency: The Big Tradeoff. Washington: The Books Institution, 1975.

MLA引文

Okun, Arthur M. Equality and Efficiency: The Big Tradeoff. Washington: The Books Institution, 1975.

警告：這些引文格式不一定是100％准確.