Gaya APA

Azar, B, S., Budijanto, . ([s.a]). Understanding and Using English Grammar Second Edition Edisi Inggris-Indonesia / Betty Schrampfer Azar (Ed. 2). Jakarta: Karisma.

Gaya MLA

Azar, Bety, Scrampfer., Budijanto, . "Understanding and Using English Grammar Second Edition Edisi Inggris-Indonesia / Betty Schrampfer Azar". Ed. 2 Jakarta: Karisma, [s.a]. Text.