Suttle, M., & Vest, L. J. (2009). Who's your gladys: How to turn even the most difficult customer into your biggest fan. Astha Publishers and Distributors.
Styl ChicagoSuttle, Marilyn, a Lori Jo Vest. Who's Your Gladys: How to Turn Even the Most Difficult Customer into Your Biggest Fan. New York: Astha Publishers and Distributors, 2009.
Citace podle MLASuttle, Marilyn, a Lori Jo Vest. Who's Your Gladys: How to Turn Even the Most Difficult Customer into Your Biggest Fan. Astha Publishers and Distributors, 2009.
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