APA (7 ম সংস্করণ) উদ্ধৃতি

Gordman Robert. (2006). Must-Have Customer: 7 steps to winning the customer you haven't got. Truman Talley Books St.Martin Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Gordman Robert. Must-Have Customer: 7 Steps to Winning the Customer You Haven't Got. NewYork: Truman Talley Books St.Martin Press, 2006.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Gordman Robert. Must-Have Customer: 7 Steps to Winning the Customer You Haven't Got. Truman Talley Books St.Martin Press, 2006.