APA ציטוט

Levenstein, A. (1962). Why people work: Changing incentives in a troubled world. New York: Collier Books.

Trích dẫn kiểu Chicago

Levenstein, Aaron. Why People Work: Changing Incentives in a Troubled World. New York: Collier Books, 1962.

ציטוט MLA

Levenstein, Aaron. Why People Work: Changing Incentives in a Troubled World. New York: Collier Books, 1962.