Gaya APA

Azar.--, B, S, A, B, S. (2000). Understanding and using english grammar.-- (Ed.3.--). Washington: Longman.

Gaya MLA

Azar.--, Betty, Schrampfer, Aza, Betty, Schrampfer. "Understanding and using english grammar.--". Ed.3.-- Washington: Longman, 2000. Buku.