Delong, Thomas J When professionals have to lead: A new model for high performance / by Thomas J DeLong, John J Gabarro, Robert J Lees. - Boston: Harvard Business School, 2007. - 232p. ISBN: 1422117378 Subjects--Topical Terms: Professional corporations-managementLeadershipProfessions-recruting Dewey Class. No.: 658.4092 / DEL