Gaya APA
Kotler, Philip. (1987).
Marketing: An introduction .
America:
Prentice-Hall.
Gaya Chicago
Kotler, Philip.
Marketing: An introduction.
America:
Prentice-Hall,
1987.
Text.
Gaya MLA
Kotler, Philip.
Marketing: An introduction.
America:
Prentice-Hall,
1987.
Text.
Gaya Turabian
Kotler, Philip.
Marketing: An introduction.
America:
Prentice-Hall,
1987.
Print.