APA-referens (7:e uppl.)

Fournies, F. (2007). Why customers don't do what they are supposed to do? McGraw Hill.

Chicago-referens (17:e uppl.)

Fournies, Ferdinand. Why Customers Don't Do What They Are Supposed to Do? New York: McGraw Hill, 2007.

MLA-referens (9:e uppl.)

Fournies, Ferdinand. Why Customers Don't Do What They Are Supposed to Do? McGraw Hill, 2007.