Dyfyniad APA

Campbell, D. S. (1995). Better sentence-writing in 30 minutes a day (Trade ed.). Career Press.

Dyfyniad Arddull Chicago

Campbell, Dianna S. Better Sentence-writing in 30 Minutes a Day. Trade ed. Franklin Lakes, N.J: Career Press, 1995.

Dyfyniad MLA

Campbell, Dianna S. Better Sentence-writing in 30 Minutes a Day. Trade ed. Career Press, 1995.

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