Gaya APA
Sjah, Djalinus. (1972).
Business Conversations .
Jakarta:
.
Gaya Chicago
Sjah, Djalinus.
Business Conversations.
Jakarta:
,
1972.
Text.
Gaya MLA
Sjah, Djalinus.
Business Conversations.
Jakarta:
,
1972.
Text.
Gaya Turabian
Sjah, Djalinus.
Business Conversations.
Jakarta:
,
1972.
Print.