258616 Fournies, F. F., & Fournies, F. F. (2007). Why customers don't do what they're supposed to and what sales people can do about it. New York ; London : McGraw-Hill.
Citazione stile Chigago Style (17a edizione)258616 Fournies, Ferdinand F., e Ferdinand F. Fournies. Why Customers Don't Do What They're Supposed to and What Sales People Can Do About It. New York ; London : McGraw-Hill, 2007.
Citatione MLA (9a ed.)258616 Fournies, Ferdinand F., e Ferdinand F. Fournies. Why Customers Don't Do What They're Supposed to and What Sales People Can Do About It. New York ; London : McGraw-Hill, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.