kumari areti krishna. (2007). Environment And Sustainable Development. ICFAI Press.
Chicago-viite (17. p.)kumari areti krishna. Environment And Sustainable Development. Hydrabad: ICFAI Press, 2007.
MLA-viite (9. p.)kumari areti krishna. Environment And Sustainable Development. ICFAI Press, 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.