Gaya APA
Kotler, P., Armstrong, G. (2008).
Principles of marketing : creates more value for you... (Ed.12).
New Delhi:
Pearson Prentice Hall.
Gaya MLA
Kotler, Philip., Armstrong, Gary.
"Principles of marketing : creates more value for you...".
Ed.12
New Delhi:
Pearson Prentice Hall,
2008.
Text.