Bonar, S. A. (2007). The conservation professional's guide to working with people. Island Press.
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Chicago-čujuhus (17. p.)
Bonar, Scott A. The Conservation Professional's Guide to Working with People. Washington, DC: Island Press, 2007.
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MLA-čujuhus (9. p.)
Bonar, Scott A. The Conservation Professional's Guide to Working with People. Island Press, 2007.
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