Sigelman, Carol K. Life-span human development / Carol K. Sigelman, David R. Shaffer. - Pacific Grove, Calif. : Brooks/Cole, c1991. - xviii, 710p. : ill. ; 24 cm. Includes index. ISBN: 0534122825 hard bound Subjects--Topical Terms: Developmental psychology LC Class. No.: BF713 / Si2 1991