Sewell, C., & Brown, P. B. (2002). Customers for Life: How to Turn that One-time Buyer into a Lifetime Customer. Crown.
Цитирование в стиле Чикаго (17-е изд.)Sewell, Carl, и Paul B. Brown. Customers for Life: How to Turn That One-time Buyer into a Lifetime Customer. New York: Crown, 2002.
Цитирование MLA (9-е изд.)Sewell, Carl, и Paul B. Brown. Customers for Life: How to Turn That One-time Buyer into a Lifetime Customer. Crown, 2002.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.