APA (7 ম সংস্করণ) উদ্ধৃতি

Denton, D. K. (1989). Quality service: How America's top companies are competing in the customer-service revolution - and how you can too. Gulf Pub.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Denton, D. Keith. Quality Service: How America's Top Companies Are Competing in the Customer-service Revolution - and How You Can Too. Houston, Tex: Gulf Pub, 1989.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Denton, D. Keith. Quality Service: How America's Top Companies Are Competing in the Customer-service Revolution - and How You Can Too. Gulf Pub, 1989.