APA-referens (7:e uppl.)
Wargo, J. (2009). Green intelligence: Creating environments that protect human health. Yale University Press.
Chicago-referens (17:e uppl.)
Wargo, John. Green Intelligence: Creating Environments That Protect Human Health. New Haven, CT ; London: Yale University Press, 2009.
MLA-referens (9:e uppl.)
Wargo, John. Green Intelligence: Creating Environments That Protect Human Health. Yale University Press, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.