Kotler, P., & Armstrong, G. (1994). Principles of marketing (6th ed.). Prentice-Hall.
Cita Chicago Style (17a ed.)Kotler, Philip, y Gary Armstrong. Principles of Marketing. 6th ed. Englewood Cliffs, New Jersey: Prentice-Hall, 1994.
Cita MLA (9a ed.)Kotler, Philip, y Gary Armstrong. Principles of Marketing. 6th ed. Prentice-Hall, 1994.
Precaución: Estas citas no son 100% exactas.