Organisation for Economic Co-operation and Development Group on Urban Affairs & Organisation for Economic Co-operation and Development. (1992). Urban policies for ageing populations. Organisation for Economic Co-operation and Development.
Παραπομπή σε μορφή Chicago (17η εκδ.)Organisation for Economic Co-operation and Development Group on Urban Affairs και Organisation for Economic Co-operation and Development. Urban Policies for Ageing Populations. Paris: Organisation for Economic Co-operation and Development, 1992.
Παραπομπή σε μορφή MLA (9th εκδ.)Organisation for Economic Co-operation and Development Group on Urban Affairs και Organisation for Economic Co-operation and Development. Urban Policies for Ageing Populations. Organisation for Economic Co-operation and Development, 1992.