APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.