APA-ийн эшлэл(7 дахь хэвлэлт)
ebrary, Inc, Waltner-Toews, D., Kay, J., & Lister, N. E. (2008). The ecosystem approach: Complexity, uncertainty, and managing for sustainability. Columbia University Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
ebrary, Inc, David Waltner-Toews, James Kay, ба Nina-Marie E. Lister. The Ecosystem Approach: Complexity, Uncertainty, and Managing for Sustainability. New York: Columbia University Press, 2008.
MLA -ийн эшлэл (9 дэх хэвлэлт)
ebrary, Inc, et al. The Ecosystem Approach: Complexity, Uncertainty, and Managing for Sustainability. Columbia University Press, 2008.
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