Gaya APA

Beer, K. (1966). The U.S.A. answers questions, a guide to understanding. : 1800 questions the U.S.A. answer, 1961. . New York: US and World Publications.

Gaya MLA

Beer, K.E.. "The U.S.A. answers questions, a guide to understanding. : 1800 questions the U.S.A. answer, 1961. ". New York: US and World Publications, 1966. Buku.