APA-referens

Parminder Singh. (2013). Fundamental of environmental studies. Cyber Tech Publications.

Chicago-stil citat

Parminder Singh. Fundamental of Environmental Studies. New Delhi: Cyber Tech Publications, 2013.

MLA-referens

Parminder Singh. Fundamental of Environmental Studies. Cyber Tech Publications, 2013.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.