Cox, K. K., & Blair, E. (1989). Marketing in action: A reader. Prentice-Hall.
Cita Chicago (17th ed.)Cox, Keith Kohn, i Edward Blair. Marketing in Action: A Reader. Englewood Cliffs, N.J: Prentice-Hall, 1989.
Cita MLA (9th ed.)Cox, Keith Kohn, i Edward Blair. Marketing in Action: A Reader. Prentice-Hall, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.