Gaya APA

Azar, B, S., Hagen, S, A. (1956). UNDERSTANDINGAND USING ENGLISH Grammar Four Edition (Cet 1). Amerika Serikat: United States.

Gaya MLA

Azar, Betty, S.., Hagen, Stacy, A.. "UNDERSTANDINGAND USING ENGLISH Grammar Four Edition". Cet 1 Amerika Serikat: United States, 1956. Text.