Child psychology : a contemporary viewpoint / E. Mavis Hetherington, Ross D. Parke. Hetherington, E. Mavis (Eileen Mavis), 1926- Parke, Ross D. Child psychology. Child Psychology. BF721 .H418 1986 155.4 19 Includes bibliographies and index. New York : McGraw-Hill, c1986. c1986. 1986 Text xx, 763, [38] p. : eng McGraw-Hill series in psychology