APA Citation

Azar, B. S., & Hagen, S. A. (2011). Fundamentals of English grammar (Fourth editions.). Nueva York: Pearson Longman.

Chicago Style Citation

Azar, Betty Schrampfer, and Stacy A. Hagen. Fundamentals of English Grammar. Fourth editions. Nueva York: Pearson Longman, 2011.

MLA Citation

Azar, Betty Schrampfer, and Stacy A. Hagen. Fundamentals of English Grammar. Fourth editions. Nueva York: Pearson Longman, 2011.

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