(1998). The encyclopedia of ecology & environmental management. Malden, MA, USA: Blackwell Science.
शिकागो स्टाइल उद्धरणThe Encyclopedia of Ecology & Environmental Management. Malden, MA, USA: Blackwell Science, 1998.
एमएलए उद्धरणThe Encyclopedia of Ecology & Environmental Management. Malden, MA, USA: Blackwell Science, 1998.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.