Boone, L. E., & Kurtz, D. L. (1999). Contemporary marketing 1999. The Dryden Press.

Boone, Louis E., and David L. Kurtz. Contemporary Marketing 1999. New york: The Dryden Press, 1999.

Boone, Louis E., and David L. Kurtz. Contemporary Marketing 1999. The Dryden Press, 1999.