Gaya APA

LeBoeuf, Michael. (2000). How to win customers and keep them for life . New York: Penguin Putnam Inc.

Gaya Chicago

LeBoeuf, Michael. How to win customers and keep them for life. New York: Penguin Putnam Inc, 2000. Text.

Gaya MLA

LeBoeuf, Michael. How to win customers and keep them for life. New York: Penguin Putnam Inc, 2000. Text.

Gaya Turabian

LeBoeuf, Michael. How to win customers and keep them for life. New York: Penguin Putnam Inc, 2000. Print.