Influencer : the new science of leading change / by Joseph Grenny ... [et al.]. - Rev. and updated ed. - New York : McGraw-Hill, 2013. - xi, 318 p. ; 23 cm. ISBN: 9780071808866 (pbk.) RM64.03 0071808868 (pbk.) Subjects--Topical Terms: Influence (Psychology)Interpersonal relations.