The Company They Keep : Friendships in Childhood and Adolescence Newcomb, Andrew F. Bukowski, William M. Hartup, Willard W. 9780521627252 Cambridge Studies in Social and Emotional Development Heftet 13.03.1998 Engelsk Produseres på bestilling
The Company They Keep : Friendships in Childhood and Adolescence Newcomb, Andrew F. Bukowski, William M. Hartup, Willard W. 9780521451987 Cambridge Studies in Social and Emotional Development Innbundet 23.02.1996 Engelsk Produseres på bestilling