APA Style

Kotler, Philip, Armstrong, Gary. (2008). Principles of Marketing (12th). Jurong, Singapore: Pearson Education, Inc..

Chicago Style

Kotler, Philip, Armstrong, Gary. Principles of Marketing. 12th Jurong, Singapore: Pearson Education, Inc., 2008. Text.

MLA Style

Kotler, Philip, Armstrong, Gary. Principles of Marketing. 12th Jurong, Singapore: Pearson Education, Inc., 2008. Text.

Turabian Style

Kotler, Philip, Armstrong, Gary. Principles of Marketing. 12th Jurong, Singapore: Pearson Education, Inc., 2008. Print.