APA استشهاد

(2005). Encyclopaedia of environment - volume 1: Environment: problems and policies. Atlantic publishers.

استشهاد بنمط شيكاغو

Encyclopaedia of Environment - Volume 1: Environment: Problems and Policies. New Delhi: Atlantic publishers, 2005.

MLA استشهاد

Encyclopaedia of Environment - Volume 1: Environment: Problems and Policies. Atlantic publishers, 2005.