de Waal, J., Vervest, M., & Ruijter, M. (1997). Big cities small means: European funding for environment and urban development : an orientation guide for Southern NGOs. Amsterdam: both ENDS.
Lua i Stíl Chicago (17ú heag.)de Waal, Jolande, Marie-José Vervest, agus Marlou Ruijter. Big Cities Small Means: European Funding for Environment and Urban Development : An Orientation Guide for Southern NGOs. Amsterdam: both ENDS, 1997.
Lua MLA (8ú heag.)de Waal, Jolande, et al. Big Cities Small Means: European Funding for Environment and Urban Development : An Orientation Guide for Southern NGOs. Amsterdam: both ENDS, 1997.
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