APA Zitierstil

Raj, G., & Trivedi, P. R. (1992). Encyclopaedia of Environmental sciences.

Chicago Zitierstil

Raj, Gurdeep, und P R. Trivedi. Encyclopaedia of Environmental Sciences. New Delhi, Akashdeep, 1992.

MLA Zitierstil

Raj, Gurdeep, und P R. Trivedi. Encyclopaedia of Environmental Sciences. 1992.