Trích dẫn APA

Azar, B. (1990). Understanding and english grammar: Workbook volume A (Second edition.). Anh: Prentice Hall Regents.

Trích dẫn kiểu Chicago

Azar, B.S. Understanding and English Grammar: Workbook Volume A. Second edition. Anh: Prentice Hall Regents, 1990.

MLA Trích dẫn

Azar, B.S. Understanding and English Grammar: Workbook Volume A. Second edition. Anh: Prentice Hall Regents, 1990.

Warning: These citations may not always be 100% accurate.