APA način citiranja (7. izdanje)
Hayes, B. E. (2009). Beyond the ultimate question: A systematic approach to improve customer loyalty. ASQ Quality Press.
Čikaški stil citiranja (17. izdanje)
Hayes, Bob E. Beyond the Ultimate Question: A Systematic Approach to Improve Customer Loyalty. Milwaukee, Wisconsin: ASQ Quality Press, 2009.
MLA način citiranja (9. izdanje)
Hayes, Bob E. Beyond the Ultimate Question: A Systematic Approach to Improve Customer Loyalty. ASQ Quality Press, 2009.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.