APA-referens

Singh, A. K. (2009). Environmetal Economics: Various dimensions. Regal Publications.

Chicago-stil citat

Singh, Arun Kumar. Environmetal Economics: Various Dimensions. New Delhi: Regal Publications, 2009.

MLA-referens

Singh, Arun Kumar. Environmetal Economics: Various Dimensions. Regal Publications, 2009.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.