DuBrin, Andrew J. Leadership : research findings, practice, and skills / Andrew J. DuBrin. - 7th ed. - Mason, OH : South-Western Cengage Learning, 2013. - xxxii, 528 p. : ill. ; 23 cm. Includes bibliographical references (p. 504-506) and indexes. ISBN: 9781133435228 (pbk.) RM556.28 113343522X (pbk.) Subjects--Topical Terms: Leadership.Employee motivation.