Lucas, R. W. (2005). Customer service: Building successful skills for the twenty-first century (3rd ed.). Boston: McGraw-Hill/Irwin.
Chicago ZitierstilLucas, Robert W. Customer Service: Building Successful Skills for the Twenty-first Century. 3rd ed. Boston: McGraw-Hill/Irwin, 2005.
MLA ZitierstilLucas, Robert W. Customer Service: Building Successful Skills for the Twenty-first Century. 3rd ed. Boston: McGraw-Hill/Irwin, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.