Gaya APA
W.Bly, R.
(2006).
The complete ideal,s guide : Direct marketing
(
ed.1Cet.1)
.
Jakarta:
Prenada.
Gaya MLA
W.Bly, Robert.
"The complete ideal,s guide : Direct marketing".
ed.1Cet.1
Jakarta:
Prenada,
2006.
Textbook.