APA Style

Azar, B, S., Budijanto, . (1993). UNDERSTANDING AND USING ENGLISH GRAMMAR (Second Edition). JAKARTA: BINARUPA AKSARA.

MLA Style

Azar, Betty, Schrampfer., Budijanto, . "UNDERSTANDING AND USING ENGLISH GRAMMAR". Second Edition JAKARTA: BINARUPA AKSARA, 1993. Text.