Zaltman, G. (2003). How Customers Think. Butterworth- Heinemann.
Cita Chicago Style (17a ed.)Zaltman, Gerald. How Customers Think. Burlington: Butterworth- Heinemann, 2003.
Cita MLA (9a ed.)Zaltman, Gerald. How Customers Think. Butterworth- Heinemann, 2003.
Precaución: Estas citas no son 100% exactas.