Gaya APA
Kotler, Philip. (1989).
Principles of marketing (text).
New Jersey:
Prentice Hall.
Gaya Chicago
Kotler, Philip.
Principles of marketing.
text
New Jersey:
Prentice Hall,
1989.
Tesis.
Gaya MLA
Kotler, Philip.
Principles of marketing.
text
New Jersey:
Prentice Hall,
1989.
Tesis.
Gaya Turabian
Kotler, Philip.
Principles of marketing.
text
New Jersey:
Prentice Hall,
1989.
Tesis.