Seidman, Dan. The secret language of influence master the one skill every sales pro needs / [electronic resource] : Dan Seidman. - New York : American Management Association, c2012. - ix, 198 p. : ill. ; 23 cm. ISBN: 9780814417263 0814417264 Subjects--Topical Terms: Selling.Consumer behavior.Persuasion (Psychology) LC Class. No.: HF5438.25 / .S43574 2012 Dewey Class. No.: 658.85