APA

(2001). Compendium Of Environment Statistics 2000. New Delhi: CSOMSPIGI.

Chicago

2001. Compendium Of Environment Statistics 2000. New Delhi: CSOMSPIGI.

Harvard

(2001). Compendium Of Environment Statistics 2000. New Delhi: CSOMSPIGI.

MLA

Compendium Of Environment Statistics 2000. New Delhi: CSOMSPIGI. 2001.