APA aipamena

Bullock, R. H. (2005). The Norton Field guide to writing. New York: W.W. Norton & Co.

Chicago Style aipamena

Bullock, Richard H. The Norton Field Guide to Writing. New York: W.W. Norton & Co, 2005.

MLA aipamena

Bullock, Richard H. The Norton Field Guide to Writing. New York: W.W. Norton & Co, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.