Schmidtz, D. (2002). Environmental ethnics: What really matters, what really works. Oxford: Oxford University Press.
शिकागो स्टाइल उद्धरणSchmidtz, David. Environmental Ethnics: What Really Matters, What Really Works. Oxford: Oxford University Press, 2002.
एमएलए उद्धरणSchmidtz, David. Environmental Ethnics: What Really Matters, What Really Works. Oxford: Oxford University Press, 2002.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.