Jung, John. Understanding human motivation a cognitive approach John Jung. - New York Macmillan c1978. - x, 518 p. ill. Includes bibliographies and indexes. ISBN: 0023615508 LCCN: 76052913 Subjects--Topical Terms: CognitionMotivation (Psychology) LC Class. No.: BF683 / .J86 Dewey Class. No.: 153.8