Gaya APA
Kotler, Philip. (1980).
Marketing Management E.6 (6th ed).
New Yersey:
Prentice Hall.
Gaya Chicago
Kotler, Philip.
Marketing Management E.6.
6th ed
New Yersey:
Prentice Hall,
1980.
.
Gaya MLA
Kotler, Philip.
Marketing Management E.6.
6th ed
New Yersey:
Prentice Hall,
1980.
.
Gaya Turabian
Kotler, Philip.
Marketing Management E.6.
6th ed
New Yersey:
Prentice Hall,
1980.
.