Kotler, P., & Armstrong, G. (1999). Principles of marketing (9 ed.). Prentice Hall.
Čikaški stil citiranja (17. izdanje)Kotler, Philip, i Gray Armstrong. Principles of Marketing. 9 ed. London ; New York: Prentice Hall, 1999.
MLA način citiranja (9. izdanje)Kotler, Philip, i Gray Armstrong. Principles of Marketing. 9 ed. Prentice Hall, 1999.