International Conference on Environmentally Sustainable Development (1994 : World Bank), Barrett, R., Martin-Brown, J., & Serageldin, I. (1995). The business of sustainable cities: Public-private partnerships for creative technical and institutional solutions. World Bank.
Lua i Stíl Chicago (17ú heag.)International Conference on Environmentally Sustainable Development (1994 : World Bank), Richard Barrett, Joan Martin-Brown, agus Ismail Serageldin. The Business of Sustainable Cities: Public-private Partnerships for Creative Technical and Institutional Solutions. Washington, D.C: World Bank, 1995.
Lua MLA (9ú heag.)International Conference on Environmentally Sustainable Development (1994 : World Bank), et al. The Business of Sustainable Cities: Public-private Partnerships for Creative Technical and Institutional Solutions. World Bank, 1995.