DWIJATMOKO, B. (1990). Communicative Grammar Practice For First Year English Department University Students Bb Dwijatmoko. Kanisius.
Čikaški stil citiranja (17. izdanje)DWIJATMOKO, B.B. Communicative Grammar Practice For First Year English Department University Students Bb Dwijatmoko. Kanisius, 1990.
MLA način citiranja (8. izdanje)DWIJATMOKO, B.B. Communicative Grammar Practice For First Year English Department University Students Bb Dwijatmoko. Kanisius, 1990.
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