Berk, Laura E. Exploring lifespan development / Laura E. Berk. - 1st ed. - Boston : Allyn & Bacon, c2010. - 519 p. : col. ill. ; 28 cm. Includes index. ISBN: 0205522688 Subjects--Topical Terms: Developmental psychology--Textbooks. LC Class. No.: BF713 / .B466 2008