Gehm, H. W., & Bregman, J. (1976). Handbook of Water Resources and Pollution Control. Van Nostrand Reinhold Company.
शिकागो स्टाइल उद्धरणGehm, Harry. W., और Jacob.I Bregman. Handbook of Water Resources and Pollution Control. New York: Van Nostrand Reinhold Company, 1976.
एमएलए उद्धरणGehm, Harry. W., और Jacob.I Bregman. Handbook of Water Resources and Pollution Control. Van Nostrand Reinhold Company, 1976.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.