Gaya APA
Kotler, Philip, Armstrong, Gary. (1994).
Principles of Marketing (6th. Ed.).
Englewood Cliffs:
Prentice Hall.
Gaya Chicago
Kotler, Philip, Armstrong, Gary.
Principles of Marketing.
6th. Ed.
Englewood Cliffs:
Prentice Hall,
1994.
Text.
Gaya MLA
Kotler, Philip, Armstrong, Gary.
Principles of Marketing.
6th. Ed.
Englewood Cliffs:
Prentice Hall,
1994.
Text.
Gaya Turabian
Kotler, Philip, Armstrong, Gary.
Principles of Marketing.
6th. Ed.
Englewood Cliffs:
Prentice Hall,
1994.
Print.