APA
edited by Najma Heptulla, . (1993). Environment protection in developing countries. Oxford & Ibh Publ, New Delhi: .
Chicago
edited by Najma Heptulla, . 1993. Environment protection in developing countries. Oxford & Ibh Publ, New Delhi: .
Harvard
edited by Najma Heptulla, . (1993). Environment protection in developing countries. Oxford & Ibh Publ, New Delhi: .
MLA
edited by Najma Heptulla, . Environment protection in developing countries. Oxford & Ibh Publ, New Delhi: . 1993.