APA aipamena

Bullock, R. H. (2014). The Little Seagull handbook. New Yersey: W.W. Norton &​ Company.

Chicago Style aipamena

Bullock, Richard H. The Little Seagull Handbook. New Yersey: W.W. Norton &​ Company, 2014.

MLA aipamena

Bullock, Richard H. The Little Seagull Handbook. New Yersey: W.W. Norton &​ Company, 2014.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.