Gaya APA

Betty, S, A. (1989). Understanding And Using English Grammar (Second Edition) . New Jersey: Prentice-Hall,Inc,, Englewood Cliffs.

Gaya MLA

Betty, Schrampfer, Azar,. "Understanding And Using English Grammar (Second Edition)". New Jersey: Prentice-Hall,Inc,, Englewood Cliffs, 1989. Text.