DWIJATMOKO, B. (1990). Communicative grammar practice (for first year english department university students). Kanisius.
Lua i Stíl Chicago (17ú heag.)DWIJATMOKO, B.B. Communicative Grammar Practice (for First Year English Department University Students). Yogyakarta: Kanisius, 1990.
Lua MLA (9ú heag.)DWIJATMOKO, B.B. Communicative Grammar Practice (for First Year English Department University Students). Kanisius, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.