Liebert, Robert M., 1942- Developmental psychology / Robert M. Liebert - 3rd ed. - Englewood Cliffs, N.J. : Prentice-Hall, 1981 - 655 p. : ill. ; 24cm. Includes index Bibliography : p.593-627 ISBN: 013208256X LCCN: 80-22490 Subjects--Topical Terms: Developmental psychology