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