Roo, G. d., & Miller, D. (1999). Integrating city planning and environmental improvement: Practicable strategies for sustainable urban development. Ashgate.
Chicago-referens (17:e uppl.)Roo, Gert de, och Donald Miller. Integrating City Planning and Environmental Improvement: Practicable Strategies for Sustainable Urban Development. Aldershot, Hants, Eng: Ashgate, 1999.
MLA-referens (9:e uppl.)Roo, Gert de, och Donald Miller. Integrating City Planning and Environmental Improvement: Practicable Strategies for Sustainable Urban Development. Ashgate, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.