Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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