Rao, C. (1991). Environmental Pollution Control Engineering. Wiley Eastern.
शिकागो स्टाइल उद्धरणRao, C.S. Environmental Pollution Control Engineering. New Delhi: Wiley Eastern, 1991.
एमएलए उद्धरणRao, C.S. Environmental Pollution Control Engineering. Wiley Eastern, 1991.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.