Gaya APA
Kotler, P., Keller, K, L. (2012).
Marketing Management : Kotler Keller (Ed. 14).
England:
Pearson Education.
Gaya MLA
Kotler, Philip., Keller, Kevin, Lane.
"Marketing Management : Kotler Keller".
Ed. 14
England:
Pearson Education,
2012.
Text.