Schrampfer-Azar, B. (1989). Understanding and using English grammar (2nd edition.). New Jersey: Prentice Hall Regents.
Chicago Stili AlıntıSchrampfer-Azar, Betty. Understanding and Using English Grammar. 2nd edition. New Jersey: Prentice Hall Regents, 1989.
MLA AlıntıSchrampfer-Azar, Betty. Understanding and Using English Grammar. 2nd edition. New Jersey: Prentice Hall Regents, 1989.
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