Dyfyniad APA

Zinsser, W. (2006). On Writing Well (7th.). Harper Collins.

Dyfyniad Arddull Chicago

Zinsser, William. On Writing Well. 7th. New York: Harper Collins, 2006.

Dyfyniad MLA

Zinsser, William. On Writing Well. 7th. Harper Collins, 2006.

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