Vladimir, N., & Chesters, G. (1981). Handbook of non-point pollution: : sources and management. Van Nostrand.
शिकागो स्टाइल उद्धरणVladimir, Novotny, और Gordon Chesters. Handbook of Non-point Pollution: : Sources and Management. New York: Van Nostrand, 1981.
एमएलए उद्धरणVladimir, Novotny, और Gordon Chesters. Handbook of Non-point Pollution: : Sources and Management. Van Nostrand, 1981.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.