Zaltman, G. (2003). How Customers Think. HBS.
Cita Chicago (17th ed.)Zaltman, Gerald. How Customers Think. Boston: HBS, 2003.
Cita MLA (9th ed.)Zaltman, Gerald. How Customers Think. HBS, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.