Gaya APA

Azar, B, S., Hagen, S, A. (2017). Understanding and Using English Grammar, Fifth Edition with Essential Online Resources (ed. 5). Hoboken: Azar Grammar.

Gaya MLA

Azar, Betty, Schrampfer., Hagen, Stacy, A.. "Understanding and Using English Grammar, Fifth Edition with Essential Online Resources". ed. 5 Hoboken: Azar Grammar, 2017. Text.