Gaya APA
Rubino, J.
(2006).
15 SECRETS EVERY NETWORK MARKETER MUST KNOW
.
Surabaya:
Mic publishng.
Gaya MLA
Rubino, Joe.dk.
"15 SECRETS EVERY NETWORK MARKETER MUST KNOW".
Surabaya:
Mic publishng,
2006.
Books.