Junkins, R., & ...[et al.]. (1983). Activated sludge process: Fundamentals of operation. Butterworth.
शिकागो स्टाइल उद्धरणJunkins, Randy, और ...[et al.]. Activated Sludge Process: Fundamentals of Operation. Michigan: Butterworth, 1983.
एमएलए उद्धरणJunkins, Randy, और ...[et al.]. Activated Sludge Process: Fundamentals of Operation. Butterworth, 1983.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.