Allen, D. R. (2004). Customer satisfaction research management: A comprehensive guide to integrating customer loyalty and satisfaction metrics in the management of complex organizations. ASQ Quality Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Allen, Danica R. Customer Satisfaction Research Management: A Comprehensive Guide to Integrating Customer Loyalty and Satisfaction Metrics in the Management of Complex Organizations. Milwaukee, Wisconsin: ASQ Quality Press, 2004.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Allen, Danica R. Customer Satisfaction Research Management: A Comprehensive Guide to Integrating Customer Loyalty and Satisfaction Metrics in the Management of Complex Organizations. ASQ Quality Press, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.