Dyfyniad APA

Blumenthal, J. C. (1962). English 2600: A programed course in grammar and usage (Rev. ed.). Harcourt, Brace, and World, Inc..

Dyfyniad Arddull Chicago

Blumenthal, Joseph C. English 2600: A Programed Course in Grammar and Usage. Rev. ed. New York ; Chicago [etc.]: Harcourt, Brace, and World, Inc., 1962.

Dyfyniad MLA

Blumenthal, Joseph C. English 2600: A Programed Course in Grammar and Usage. Rev. ed. Harcourt, Brace, and World, Inc., 1962.

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