Smith, Peter K. Understanding children's development / Peter K. Smith, Helen Cowie, Mark Blades. - 4th ed. - Malden, MA : Blackwell Pub., 2003. - xxvii, 663 p. : ill. ; 25 cm. ISBN: 0631228233 (pbk. : alk. paper) Subjects--Topical Terms: Child psychology.Child development. LC Class. No.: BF721 / .S57325 2003 Dewey Class. No.: 155.4