(2003). New Headway Pet Pract Test Student's Book Pack 2004. Karim Internations.
Chicago Style (17. basım) AtıfNew Headway Pet Pract Test Student's Book Pack 2004. New York: Karim Internations, 2003.
MLA (9th ed.) AtıfNew Headway Pet Pract Test Student's Book Pack 2004. Karim Internations, 2003.
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