Dyfyniad APA

Kaplan, J. P. (1989). English grammar principles and facts. London: Prentice Hall.

Dyfyniad Arddull Chicago

Kaplan, Jeffrey P. English Grammar Principles and Facts. London: Prentice Hall, 1989.

Dyfyniad MLA

Kaplan, Jeffrey P. English Grammar Principles and Facts. London: Prentice Hall, 1989.

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