APA引文

Birk, N. P., & Birk, G. B. (1958). Understanding and using English. New York: The Odyssey Press.

Trích dẫn kiểu Chicago

Birk, Newman P., và Genevieve B. Birk. Understanding and Using English. New York: The Odyssey Press, 1958.

MLA引文

Birk, Newman P., và Genevieve B. Birk. Understanding and Using English. New York: The Odyssey Press, 1958.

警告：这些引文格式不一定是100％准确.