(1991). Monitoring for conservation and ecology. New York: Chapman and Hall.
शिकागो स्टाइल उद्धरणMonitoring for Conservation and Ecology. New York: Chapman and Hall, 1991.
एमएलए उद्धरणMonitoring for Conservation and Ecology. New York: Chapman and Hall, 1991.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.