Gaya APA
Kotler, Philip, Armstrong, Gary. (2008).
Principles of marketing. (ed.12).
Singapore:
Pearson.
Gaya Chicago
Kotler, Philip, Armstrong, Gary.
Principles of marketing..
ed.12
Singapore:
Pearson,
2008.
Text.
Gaya MLA
Kotler, Philip, Armstrong, Gary.
Principles of marketing..
ed.12
Singapore:
Pearson,
2008.
Text.
Gaya Turabian
Kotler, Philip, Armstrong, Gary.
Principles of marketing..
ed.12
Singapore:
Pearson,
2008.
Print.