kumari areti krishna. (2007). Environment And Sustainable Development. ICFAI Press.
Chicago-referens (17:e uppl.)kumari areti krishna. Environment And Sustainable Development. Hydrabad: ICFAI Press, 2007.
MLA-referens (9:e uppl.)kumari areti krishna. Environment And Sustainable Development. ICFAI Press, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.