United Nations Research Institute for Social Development, Switzerland. Direktion für Entwicklungszusammenarbeit und Humanitäre Hilfe, & Westendorff, D. G. (2004). From unsustainable to inclusive cities. UN Research Institute for Social Development.
Lua i Stíl Chicago (17ú heag.)United Nations Research Institute for Social Development, Switzerland. Direktion für Entwicklungszusammenarbeit und Humanitäre Hilfe, agus David G. Westendorff. From Unsustainable to Inclusive Cities. Geneva: UN Research Institute for Social Development, 2004.
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Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.