APA
Centre For Science & Environment, . (1999). Health links : a directory of experts on environmental health in India and overseas. auth., New Delhi: .
Chicago
Centre For Science & Environment, . 1999. Health links : a directory of experts on environmental health in India and overseas. auth., New Delhi: .
Harvard
Centre For Science & Environment, . (1999). Health links : a directory of experts on environmental health in India and overseas. auth., New Delhi: .
MLA
Centre For Science & Environment, . Health links : a directory of experts on environmental health in India and overseas. auth., New Delhi: . 1999.