Gaya APA

Azar, B, S. (1989). UNDERSTANDING AND USING : ENGLISH GRAMMAR Third Edition (ed.1 cet 1). New Jersy: Prenfice Regentes.

Gaya MLA

Azar, Betty, Schrampfer. "UNDERSTANDING AND USING : ENGLISH GRAMMAR Third Edition". ed.1 cet 1 New Jersy: Prenfice Regentes, 1989. Text.