Bender, P. S. (1976). Design and operation of customer service systems. AMACOM.
Chicago ZitierstilBender, Paul S. Design and Operation of Customer Service Systems. New York: AMACOM, 1976.
MLA ZitierstilBender, Paul S. Design and Operation of Customer Service Systems. AMACOM, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.