Não informado. (1958). Community development. International Federation of Settlements and Neighbourhood Centres.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Community Development. Roma: International Federation of Settlements and Neighbourhood Centres, 1958.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Community Development. International Federation of Settlements and Neighbourhood Centres, 1958.
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