Gaya APA

Dwijatmoko, B. (2001). Communicative Grammar Practice: for First Year English Department University Student (Cet. 7). Yogyakarta: Penerbit Kanisius.

Gaya MLA

Dwijatmoko, B.B.. "Communicative Grammar Practice: for First Year English Department University Student". Cet. 7 Yogyakarta: Penerbit Kanisius, 2001. Text.