Gaya APA

AZAR, B, S., HELLEGERS, L, [. (2000). Understanding and using english grammar, work book volume B (ed. 3). New York: Longman.

Gaya MLA

AZAR, Betty, Schrampfer., HELLEGERS, Louisa, [ed.]. "Understanding and using english grammar, work book volume B". ed. 3 New York: Longman, 2000. Buku.