Gaya APA
Kotler, . ([s.a]).
Marketing Management : Analysis, Planning, Implementation, & control (6th. Ed).
[S.l]:
Prentice Hall.
Gaya MLA
Kotler, .
"Marketing Management : Analysis, Planning, Implementation, & control".
6th. Ed
[S.l]:
Prentice Hall,
[s.a].
Text.