APA-viite (7. p.)

Azar, B. S. (1999). Understanding and using English grammar (3rd ed.). Prentice Hall Regents.

Chicago-viite (17. p.)

Azar, Betty Scrampfer. Understanding and Using English Grammar. 3rd ed. Upper Saddle River, N.J: Prentice Hall Regents, 1999.

MLA-viite (9. p.)

Azar, Betty Scrampfer. Understanding and Using English Grammar. 3rd ed. Prentice Hall Regents, 1999.