APA引文

Crathorne, A. R. (1938). Trigonometry. New York: Henry Holt and Company.

Trích dẫn kiểu Chicago

Crathorne, A. R. Trigonometry. New York: Henry Holt and Company, 1938.

MLA引文

Crathorne, A. R. Trigonometry. New York: Henry Holt and Company, 1938.

警告：這些引文格式不一定是100％准確.