Gaya APA
Armstrong, Gary, Kotler, Philip. (2005).
Marketing : an introduction, 7th ed. (7th ed.).
New Jersey:
Prentice Hall.
Gaya Chicago
Armstrong, Gary, Kotler, Philip.
Marketing : an introduction, 7th ed..
7th ed.
New Jersey:
Prentice Hall,
2005.
Text.
Gaya MLA
Armstrong, Gary, Kotler, Philip.
Marketing : an introduction, 7th ed..
7th ed.
New Jersey:
Prentice Hall,
2005.
Text.
Gaya Turabian
Armstrong, Gary, Kotler, Philip.
Marketing : an introduction, 7th ed..
7th ed.
New Jersey:
Prentice Hall,
2005.
Print.