Παραπομπή APA

Kessler, S. (1996). Measuring and managing customer satisfaction. ASQC.

Παραπομπή Chicago Style

Kessler, Sheila. Measuring and Managing Customer Satisfaction. Wisconsin: ASQC, 1996.

Παραπομπή MLA

Kessler, Sheila. Measuring and Managing Customer Satisfaction. ASQC, 1996.