APA
Sapru R K,, . (1997). Environment management in India. Vol.II. New Delhi: Ashish Publishing House.
Chicago
Sapru R K,, . 1997. Environment management in India. Vol.II. New Delhi: Ashish Publishing House.
Harvard
Sapru R K,, . (1997). Environment management in India. Vol.II. New Delhi: Ashish Publishing House.
MLA
Sapru R K,, . Environment management in India. Vol.II. New Delhi: Ashish Publishing House. 1997.