Gaya APA
Kurnianingrat, .
(1985).
Practical Conversations : A Guide to ENglish Use
.
Jakarta:
Bhratara Karya Aksara.
Gaya MLA
Kurnianingrat, .
"Practical Conversations : A Guide to ENglish Use".
Jakarta:
Bhratara Karya Aksara,
1985.
Text.