Cita APA (7a ed.)

Vavra, T. G. (2002). Customer satisfaction measurement simplified: A step-by-step guide for ISO 9001:2000 Certification. American Society for quality.

Cita Chicago Style (17a ed.)

Vavra, Terry G. Customer Satisfaction Measurement Simplified: A Step-by-step Guide for ISO 9001:2000 Certification. Wisconsin: American Society for quality, 2002.

Cita MLA (9a ed.)

Vavra, Terry G. Customer Satisfaction Measurement Simplified: A Step-by-step Guide for ISO 9001:2000 Certification. American Society for quality, 2002.