Dyfyniad APA

Langan, J. (1987). Sentence skills: A workbook for writers. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Langan, John. Sentence Skills: A Workbook for Writers. New York: McGraw-Hill, 1987.

Dyfyniad MLA

Langan, John. Sentence Skills: A Workbook for Writers. New York: McGraw-Hill, 1987.

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