Gaya APA
MALHOTRA, N, K.
([s.a.]).
Marketing research
(
Ed. 2)
.
:
: Preintice-Hall.
Gaya MLA
MALHOTRA, NARESH, K.
"Marketing research".
Ed. 2
:
: Preintice-Hall,
[s.a.].
Buku PPS Manajemen.