APA-referens

Ahluwalia, V. K. Environmental studies: Basic concepts. The Energy and Resources Institute.

Chicago-stil citat

Ahluwalia, V K. Environmental Studies: Basic Concepts. New Delhi: The Energy and Resources Institute.

MLA-referens

Ahluwalia, V K. Environmental Studies: Basic Concepts. The Energy and Resources Institute.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.