APA Style

Azar, Betty, Schramfer. (1989). UNDERSTANDING AND USING ENGLISH GRAMMAR, Second Edtion (2). : Penerbit Prentice Hall.

Chicago Style

Azar, Betty, Schramfer. UNDERSTANDING AND USING ENGLISH GRAMMAR, Second Edtion. 2 : Penerbit Prentice Hall, 1989. Text.

MLA Style

Azar, Betty, Schramfer. UNDERSTANDING AND USING ENGLISH GRAMMAR, Second Edtion. 2 : Penerbit Prentice Hall, 1989. Text.

Turabian Style

Azar, Betty, Schramfer. UNDERSTANDING AND USING ENGLISH GRAMMAR, Second Edtion. 2 : Penerbit Prentice Hall, 1989. Print.