APA

Saxena H. M., . (2005). Environmental studies. : Rawat Publication, Jaipur.

Chicago

Saxena H M, . 2005. Environmental studies. : Rawat Publication, Jaipur.

Harvard

Saxena H. M., . (2005). Environmental studies. : Rawat Publication, Jaipur.

MLA

Saxena H M, . Environmental studies. : Rawat Publication, Jaipur. 2005.