APA
Central Board for the Prevention and Control of Water Pollution (New Delhi), . (1983). Quality and trend of river Yamuna, 1977-1982. New Delhi: CBPCWP.
Chicago
Central Board for the Prevention and Control of Water Pollution (New Delhi), . 1983. Quality and trend of river Yamuna, 1977-1982. New Delhi: CBPCWP.
Harvard
Central Board for the Prevention and Control of Water Pollution (New Delhi), . (1983). Quality and trend of river Yamuna, 1977-1982. New Delhi: CBPCWP.
MLA
Central Board for the Prevention and Control of Water Pollution (New Delhi), . Quality and trend of river Yamuna, 1977-1982. New Delhi: CBPCWP. 1983.