Silk, N., & Ciruna, K. (2005). A practitioner's guide to freshwater biodiversity conservation (Reprint ed.). Washington, DC: Island Press.
Chicago-tyylinen lähdeviittausSilk, Nicole., and Kristine Ciruna. A Practitioner's Guide to Freshwater Biodiversity Conservation. Reprint ed. Washington, DC: Island Press, 2005.
MLA-viiteSilk, Nicole., and Kristine Ciruna. A Practitioner's Guide to Freshwater Biodiversity Conservation. Reprint ed. Washington, DC: Island Press, 2005.
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