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