APA (7th ed.) Zitazioa

Hedge, T. (1988). Writing. Oxford Univerity Press.

Chicago Style (17th ed.) Zitazioa

Hedge, Tricia. Writing. Oxford: Oxford Univerity Press, 1988.

MLA (9th ed.) Zitazioa

Hedge, Tricia. Writing. Oxford Univerity Press, 1988.