APA (7 ম সংস্করণ) উদ্ধৃতি

Sewell, C., & Brown, P. B. (2002). Customers for Life: How to Turn that One-time Buyer into a Lifetime Customer. Crown.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Sewell, Carl, এবং Paul B. Brown. Customers for Life: How to Turn That One-time Buyer into a Lifetime Customer. New York: Crown, 2002.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Sewell, Carl, এবং Paul B. Brown. Customers for Life: How to Turn That One-time Buyer into a Lifetime Customer. Crown, 2002.