Hayes, B. E. (1998). Measuring customer satisfaction: Survey design, use, and statistical analysis methods (2nd ed.). ASQC Quality Press.
Chicago-Zitierstil (17. Ausg.)Hayes, Bob E. Measuring Customer Satisfaction: Survey Design, Use, and Statistical Analysis Methods. 2nd ed. Milwaukee, Wis: ASQC Quality Press, 1998.
MLA-Zitierstil (9. Ausg.)Hayes, Bob E. Measuring Customer Satisfaction: Survey Design, Use, and Statistical Analysis Methods. 2nd ed. ASQC Quality Press, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.