APA ציטוט

Azar, B. S., & Azar; Betty Schrampfer. (1999). Understanding and using english grammar. White Plains, NY: Longman.

Trích dẫn kiểu Chicago

Azar, Betty Schrampfer, và Azar; Betty Schrampfer. Understanding and Using English Grammar. White Plains, NY: Longman, 1999.

ציטוט MLA

Azar, Betty Schrampfer, và Azar; Betty Schrampfer. Understanding and Using English Grammar. White Plains, NY: Longman, 1999.