India. Central Board for the Prevention and Control of Water Pollution. (1979). Industrial survey, Union Territory of Delhi. Central Board for the Prevention and Control of Water Pollution.
Chicago-referens (17:e uppl.)India. Central Board for the Prevention and Control of Water Pollution. Industrial Survey, Union Territory of Delhi. New Delhi, India: Central Board for the Prevention and Control of Water Pollution, 1979.
MLA-referens (8:e uppl.)India. Central Board for the Prevention and Control of Water Pollution. Industrial Survey, Union Territory of Delhi. Central Board for the Prevention and Control of Water Pollution, 1979.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.