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.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (8ú heag.)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.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.