APA ציטוט

Azar, B. S. (1991). Understanding and Using English Grammar. London: Prentice-Hall.

Trích dẫn kiểu Chicago

Azar, Betty Scrampfer. Understanding and Using English Grammar. London: Prentice-Hall, 1991.

ציטוט MLA

Azar, Betty Scrampfer. Understanding and Using English Grammar. London: Prentice-Hall, 1991.