Gaya APA

SEWELL, Carl, Paul B. Brown. (1990). Customers for life : how to turn that one-time buyer into a lifetime customer . New York: Doubleday Currency.

Gaya Chicago

SEWELL, Carl, Paul B. Brown. Customers for life : how to turn that one-time buyer into a lifetime customer. New York: Doubleday Currency, 1990. Text.

Gaya MLA

SEWELL, Carl, Paul B. Brown. Customers for life : how to turn that one-time buyer into a lifetime customer. New York: Doubleday Currency, 1990. Text.

Gaya Turabian

SEWELL, Carl, Paul B. Brown. Customers for life : how to turn that one-time buyer into a lifetime customer. New York: Doubleday Currency, 1990. Print.