Azar, B. (1990). Understanding and english grammar: Workbook volume A (Second edition.). Anh: Prentice Hall Regents.
Trích dẫn kiểu ChicagoAzar, B.S. Understanding and English Grammar: Workbook Volume A. Second edition. Anh: Prentice Hall Regents, 1990.
MLA Trích dẫnAzar, 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.