Dyfyniad APA

English Language Services. (1995). English 900; Book four: A basic course. New York: Collier-MacMillan International.

Dyfyniad Arddull Chicago

English Language Services. English 900; Book Four: A Basic Course. New York: Collier-MacMillan International, 1995.

Dyfyniad MLA

English Language Services. English 900; Book Four: A Basic Course. New York: Collier-MacMillan International, 1995.

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