Narain, S. &. O. (2015). State of India's Environment 2015. Centre for science and environment.
Chicago-referens (17:e uppl.)Narain, Sunita & Others. State of India's Environment 2015. New Delhi: Centre for science and environment, 2015.
MLA-referens (9:e uppl.)Narain, Sunita & Others. State of India's Environment 2015. Centre for science and environment, 2015.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.