Gaya APA
BURNS, A, C., BUSH, R, F.
(2010).
Marketing research
(
6th ed.)
.
Boston:
Pearson Prentice Hall.
Gaya MLA
BURNS, Alvin, C.., BUSH, Ronald, F..
"Marketing research".
6th ed.
Boston:
Pearson Prentice Hall,
2010.
Buku.