Gaya APA

Dwijatmoko, B. (1997). Communicative Grammar Practice For First Year English Departement University Student Cet. 1 (Cet. 1). Yogyakarta: Kanisius.

Gaya MLA

Dwijatmoko, B.B. "Communicative Grammar Practice For First Year English Departement University Student Cet. 1". Cet. 1 Yogyakarta: Kanisius, 1997. Text.