Gaya APA
Burns, A, C., F.Bush, R.
(1998).
Marketing research
(
Ed.2)
.
New jersey:
Prentice -Hall.
Gaya MLA
Burns, Alvin, C.., F.Bush, Ronald.
"Marketing research".
Ed.2
New jersey:
Prentice -Hall,
1998.
Manajemen Administrasi D3.