APA ציטוט

Betty Schrampfer Azar. (1980). Understanding and using English grammar. New Jersey: Prentice-Hall.

Trích dẫn kiểu Chicago

Betty Schrampfer Azar. Understanding and Using English Grammar. New Jersey: Prentice-Hall, 1980.

ציטוט MLA

Betty Schrampfer Azar. Understanding and Using English Grammar. New Jersey: Prentice-Hall, 1980.