Não informado. (1958). Community development. International Federation of Settlements and Neighbourhood Centres.
Citação do estilo Chicago (17ª ed.)Não informado. Community Development. Roma: International Federation of Settlements and Neighbourhood Centres, 1958.
Citação MLA (8ª ed.)Não informado. Community Development. International Federation of Settlements and Neighbourhood Centres, 1958.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.