APA (7th ed.) Zitazioa

(2003). New Headway Pet Pract Test Student's Book Pack 2004. Karim Internations.

Chicago Style (17th ed.) Zitazioa

New Headway Pet Pract Test Student's Book Pack 2004. New York: Karim Internations, 2003.

MLA (9th ed.) Zitazioa

New Headway Pet Pract Test Student's Book Pack 2004. Karim Internations, 2003.