Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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