APA aipamena

Kotler, P., & Armstrong, G. (1987). Marketing: An introduction. Prentice-Hall.

Chicago Style aipamena

Kotler, Philip, and Gary Armstrong. Marketing: An Introduction. Englewood Cliffs, N.J: Prentice-Hall, 1987.

MLA aipamena

Kotler, Philip, and Gary Armstrong. Marketing: An Introduction. Prentice-Hall, 1987.