APA (7th ed.) Zitazioa
Pug Griffith Thompsom. (1955). Guide to research writing. Hougthon Miffling Company.
Chicago Style (17th ed.) Zitazioa
Pug Griffith Thompsom. Guide to Research Writing. Cambridge: Hougthon Miffling Company, 1955.
MLA (9th ed.) Zitazioa
Pug Griffith Thompsom. Guide to Research Writing. Hougthon Miffling Company, 1955.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.