(2003). New Headway Pet Pract Test Student's Book Pack 2004. Karim Internations.
Čikaški stil citiranja (17. izdanje)New Headway Pet Pract Test Student's Book Pack 2004. New York: Karim Internations, 2003.
MLA način citiranja (9. izdanje)New Headway Pet Pract Test Student's Book Pack 2004. Karim Internations, 2003.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.