Gaya APA
Kotler, P., Keller, K, L. (2012).
Marketing management (14th.ed.).
Upper Saddle River, New Jersey:
Prentice Hall.
Gaya MLA
Kotler, Philip., Keller, Kevin, Lane.
"Marketing management".
14th.ed.
Upper Saddle River, New Jersey:
Prentice Hall,
2012.
Teks.