Smith, Peter K. Understanding children's development / By Peter K Smith, Helen Cowie and Mark Blades. - 5th ed. - United Kingdom : Willey Blackwell, 2011. - 805p. ; 00 cm. ISBN: 9781405176019 Subjects--Topical Terms: PSYCHOLOGY.CHILD PSYCHOLOGY, BLADES, MARK, COWIE, HELEN. Dewey Class. No.: 155.4 / SMI