Gaya APA
Cyssco, D, R.
(2000).
Business Negotiation in English
(
Cet.1)
.
Jakarta:
Puspa Swara.
Gaya MLA
Cyssco, Dhanny, R..
"Business Negotiation in English".
Cet.1
Jakarta:
Puspa Swara,
2000.
Text.