Cita APA

Chitkara, M. (1998). Encyclopaedia of ecology, environment and pollution: Vol-x the water (prevention and control of pollution) act, 1974. APH Publishing.

Citación estilo Chicago

Chitkara, M.G. Encyclopaedia of Ecology, Environment and Pollution: Vol-x the Water (prevention and Control of Pollution) Act, 1974. New Delhi: APH Publishing, 1998.

Cita MLA

Chitkara, M.G. Encyclopaedia of Ecology, Environment and Pollution: Vol-x the Water (prevention and Control of Pollution) Act, 1974. APH Publishing, 1998.