Gaya APA
Hadikusumo, B.
(2004).
Useful vacabs, expressions, and idiomatic problems
(
Cet.20)
.
Yogyakarta:
Kanisius.
Gaya MLA
Hadikusumo, B.U..
"Useful vacabs, expressions, and idiomatic problems".
Cet.20
Yogyakarta:
Kanisius,
2004.
UMUM.