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.