APA Style

Azar, Betty Schrampfer. (1989). Understanding and using english grammar: second edition (Ed. 2rd). United State of America: Tina B. Caver.

Chicago Style

Azar, Betty Schrampfer. Understanding and using english grammar: second edition. Ed. 2rd United State of America: Tina B. Caver, 1989. Text.

MLA Style

Azar, Betty Schrampfer. Understanding and using english grammar: second edition. Ed. 2rd United State of America: Tina B. Caver, 1989. Text.

Turabian Style

Azar, Betty Schrampfer. Understanding and using english grammar: second edition. Ed. 2rd United State of America: Tina B. Caver, 1989. Print.