Gaya APA
Kotler, Philip, Armstrong, Gary. (2006).
Principles of marketing, 11th ed. (11th ed.).
New Jersey:
Pearson.
Gaya Chicago
Kotler, Philip, Armstrong, Gary.
Principles of marketing, 11th ed..
11th ed.
New Jersey:
Pearson,
2006.
Text.
Gaya MLA
Kotler, Philip, Armstrong, Gary.
Principles of marketing, 11th ed..
11th ed.
New Jersey:
Pearson,
2006.
Text.
Gaya Turabian
Kotler, Philip, Armstrong, Gary.
Principles of marketing, 11th ed..
11th ed.
New Jersey:
Pearson,
2006.
Print.