Symposium on Waste Treatment by Oxidation Ponds Central Public Engineering Research Institute, Nagpur), & Central Public Health Engineering Research Institute (India). (1963). Proceedings. Central Public Health Engineering Research Institute.
Παραπομπή σε μορφή Chicago (17η εκδ.)Symposium on Waste Treatment by Oxidation Ponds Central Public Engineering Research Institute, Nagpur), και Central Public Health Engineering Research Institute (India). Proceedings. Nagpur: Central Public Health Engineering Research Institute, 1963.
Παραπομπή σε μορφή MLA (8th εκδ.)Symposium on Waste Treatment by Oxidation Ponds Central Public Engineering Research Institute, Nagpur), και Central Public Health Engineering Research Institute (India). Proceedings. Central Public Health Engineering Research Institute, 1963.