Cita APA (7th ed.)

USEFUL & HADIKUSUMO, B. (1988). Useful vocabs: Expressions and idiomatic problems. Kanisius.

Cita Chicago (17th ed.)

USEFUL i B.U HADIKUSUMO. Useful Vocabs: Expressions and Idiomatic Problems. Yogyakarta: Kanisius, 1988.

Cita MLA (9th ed.)

USEFUL i B.U HADIKUSUMO. Useful Vocabs: Expressions and Idiomatic Problems. Kanisius, 1988.