Gaya APA
Royan, F, M.
(2005).
Negotiation in Consultative Selling
(
1)
.
Jakarta:
Elex Media Komputindo.
Gaya MLA
Royan, Frans, M..
"Negotiation in Consultative Selling".
1
Jakarta:
Elex Media Komputindo,
2005.
Teks.