APA-referens

Trivedi, P. R. (2000). Encyclopaedia of environment, pollution, planning and conservation: Natrual resources conservation vol. 3. A.P.H.publishing corporation.

Chicago-stil citat

Trivedi, P R. Encyclopaedia of Environment, Pollution, Planning and Conservation: Natrual Resources Conservation Vol. 3. New Delhi: A.P.H.publishing corporation, 2000.

MLA-referens

Trivedi, P R. Encyclopaedia of Environment, Pollution, Planning and Conservation: Natrual Resources Conservation Vol. 3. A.P.H.publishing corporation, 2000.