APA-viite (7. p.)

Azar, B. S. (2002). Understanding and using English grammar (3rd ed.). Prentice Hall Regents.

Chicago-viite (17. p.)

Azar, Betty Schrampfer. Understanding and Using English Grammar. 3rd ed. Upper Saddle River, NJ: Prentice Hall Regents, 2002.

MLA-viite (8. p.)

Azar, Betty Schrampfer. Understanding and Using English Grammar. 3rd ed. Prentice Hall Regents, 2002.