Não informado. (1958). Community development. International Federation of Settlements and Neighbourhood Centres.
Chicago-referens (17:e uppl.)Não informado. Community Development. Roma: International Federation of Settlements and Neighbourhood Centres, 1958.
MLA-referens (8:e uppl.)Não informado. Community Development. International Federation of Settlements and Neighbourhood Centres, 1958.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.