DuPont, M. Kay Business etiquette and professionalism / M. Kay duPont. - Rev. - Los Altos, Calif. : Crisp Publications, c1998. - viii, 110 p. : ill. ; 26 cm. - Fifty-minute series book . ISBN: 1560524758 9781560524755 Subjects--Topical Terms: Business etiquetteEtiquette