Gaya APA
Burns, A, C., Bush, R, F. (2003).
Marketing research: online research applications (fourth edition) (ed.4).
New Jersey:
Prentice Hall.
Gaya MLA
Burns, Alvin, C.., Bush, Ronald, F..
"Marketing research: online research applications (fourth edition)".
ed.4
New Jersey:
Prentice Hall,
2003.
Text.