Dyfyniad APA

Waltner-Toews, D. (2004). Ecosystem sustainability and health: A practical approach. Cambridge, UK: Cambridge University Press.

Dyfyniad Arddull Chicago

Waltner-Toews, David. Ecosystem Sustainability and Health: A Practical Approach. Cambridge, UK: Cambridge University Press, 2004.

Dyfyniad MLA

Waltner-Toews, David. Ecosystem Sustainability and Health: A Practical Approach. Cambridge, UK: Cambridge University Press, 2004.

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