APA Style

Cannie, Joan Koob. (1991). Keeping customers for life . New York: Amacom.

Chicago Style

Cannie, Joan Koob. Keeping customers for life. New York: Amacom, 1991. Printed Material.

MLA Style

Cannie, Joan Koob. Keeping customers for life. New York: Amacom, 1991. Printed Material.

Turabian Style

Cannie, Joan Koob. Keeping customers for life. New York: Amacom, 1991. Printed Material.