APA-referens (7:e uppl.)
Devuyst, D., Hens, L., & Lannoy, W. d. (2001). How green is the city?: Sustainability assessment and the management of urban environments. Columbia University Press.
Chicago-referens (17:e uppl.)
Devuyst, Dimitri, Luc Hens, och W. de Lannoy. How Green Is the City?: Sustainability Assessment and the Management of Urban Environments. New York, [New York]: Columbia University Press, 2001.
MLA-referens (9:e uppl.)
Devuyst, Dimitri, et al. How Green Is the City?: Sustainability Assessment and the Management of Urban Environments. Columbia University Press, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.