Central Public Health Engineering Research Institute (India) & National Environmental Engineering Research Institute. (1971). Indian journal of environmental health. Central Public Health Engineering Research Institute.
Lua i Stíl Chicago (17ú heag.)Central Public Health Engineering Research Institute (India) agus National Environmental Engineering Research Institute. Indian Journal of Environmental Health. Nagpur: Central Public Health Engineering Research Institute, 1971.
Lua MLA (8ú heag.)Central Public Health Engineering Research Institute (India) agus National Environmental Engineering Research Institute. Indian Journal of Environmental Health. Central Public Health Engineering Research Institute, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.