Tom Billington. Working with Children: Assessment, Representation and Intervention. SAGE.
Chicago-referens (17:e uppl.)Tom Billington. Working with Children: Assessment, Representation and Intervention. SAGE.
MLA-referens (8:e uppl.)Tom Billington. Working with Children: Assessment, Representation and Intervention. SAGE.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.