APA Style

Armstrong, Gary, Kotler, Philip.. (2010). principles of marketing . Upper Saddle River, N.J.: Prentce Hall.

Chicago Style

Armstrong, Gary, Kotler, Philip.. principles of marketing. Upper Saddle River, N.J.: Prentce Hall, 2010. Text.

MLA Style

Armstrong, Gary, Kotler, Philip.. principles of marketing. Upper Saddle River, N.J.: Prentce Hall, 2010. Text.

Turabian Style

Armstrong, Gary, Kotler, Philip.. principles of marketing. Upper Saddle River, N.J.: Prentce Hall, 2010. Print.