APA引文

Donald E P Smith. (1961). Learning to learn. New York: Harcourt, Brace and World.

Trích dẫn kiểu Chicago

Donald E P Smith. Learning to Learn. New York: Harcourt, Brace and World, 1961.

MLA引文

Donald E P Smith. Learning to Learn. New York: Harcourt, Brace and World, 1961.

警告：這些引文格式不一定是100％准確.