KOTLER, P. (1999). Principles of marketing ed.8Philip Kotler, Gary Armstrong. Prentice-Hall.
Chicago Style (17. basım) AtıfKOTLER, Philip. Principles of Marketing Ed.8Philip Kotler, Gary Armstrong. Prentice-Hall, 1999.
MLA (8th ed.) AtıfKOTLER, Philip. Principles of Marketing Ed.8Philip Kotler, Gary Armstrong. Prentice-Hall, 1999.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..