Cita APA

LeBoeuf, M., & LeBoeuf, M. (1989). How to win customers and keep them for life. New York: Berkley Books.

Citación estilo Chicago

LeBoeuf, Michael, y Michael LeBoeuf. How to Win Customers and Keep Them for Life. New York: Berkley Books, 1989.

Cita MLA

LeBoeuf, Michael, y Michael LeBoeuf. How to Win Customers and Keep Them for Life. New York: Berkley Books, 1989.