Style de citation APA (7e éd.)

DWIJATMOKO, B. (1990). Communicative grammar practice (for first year english department university students). Kanisius.

Style de citation Chicago (17e éd.)

DWIJATMOKO, B.B. Communicative Grammar Practice (for First Year English Department University Students). Yogyakarta: Kanisius, 1990.

Style de citation MLA (9e éd.)

DWIJATMOKO, B.B. Communicative Grammar Practice (for First Year English Department University Students). Kanisius, 1990.