Schultz, Duane P. Theories of personality / by Duane P.Schultz and Sydney Ellen Schultz. - 10th ed. - New Delhi : Cengage Learning India Private Limited,. 2015. - xv, 479 p. ; ill. 32 cm. ISBN: 8131520773 9788131520772 Subjects--Topical Terms: Moral developmentSelf Confidence Dewey Class. No.: 155.2 / SCH P15T