AZAR, B. S. 2002. Understanding and using English grammar: With answer key. 3rd ed. White Plains: Longman.
Citace podle APA (7th ed.)Azar, B. S. (2002). Understanding and using English grammar: With answer key (3rd ed.). Longman.
Citace podle Chicago (17th ed.)Azar, Betty Schrampfer. Understanding and Using English Grammar: With Answer Key. 3rd ed. White Plains: Longman, 2002.
Citace podle MLA (9th ed.)Azar, Betty Schrampfer. Understanding and Using English Grammar: With Answer Key. 3rd ed. Longman, 2002.
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