USEFUL & HADIKUSUMO, B. (1988). Useful vocabs: Expressions and idiomatic problems. Kanisius.
Lua i Stíl Chicago (17ú heag.)USEFUL agus B.U HADIKUSUMO. Useful Vocabs: Expressions and Idiomatic Problems. Yogyakarta: Kanisius, 1988.
Lua MLA (9ú heag.)USEFUL agus B.U HADIKUSUMO. Useful Vocabs: Expressions and Idiomatic Problems. Kanisius, 1988.
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