Hayes, B. E. (1998). Measuring customer satisfaction: Survey design, use, and statistical analysis methods (2nd ed.). ASQC Quality Press.
Citazione stile Chigago Style (17a edizione)Hayes, Bob E. Measuring Customer Satisfaction: Survey Design, Use, and Statistical Analysis Methods. 2nd ed. Milwaukee, Wis: ASQC Quality Press, 1998.
Citatione MLA (9a ed.)Hayes, Bob E. Measuring Customer Satisfaction: Survey Design, Use, and Statistical Analysis Methods. 2nd ed. ASQC Quality Press, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.