Dyfyniad APA

Allen, R. F., & Harvey, E. B. (1925). The mastery of English. The John C. Winston Company.

Dyfyniad Arddull Chicago

Allen, Robert Francis, and Emma Bates Harvey. The Mastery of English. Philadelphia ; Chicago [etc.]: The John C. Winston Company, 1925.

Dyfyniad MLA

Allen, Robert Francis, and Emma Bates Harvey. The Mastery of English. The John C. Winston Company, 1925.

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