Gaya APA
Kotler, P. (1980).
Marketing Managemet: Analysis, Planning, Implementation, And Control (9).
Amerika Serikat:
Prentice Hall International.
Gaya MLA
Kotler, Philip.
"Marketing Managemet: Analysis, Planning, Implementation, And Control".
9
Amerika Serikat:
Prentice Hall International,
1980.
Text.