Fischman, R. (2003). The national wildlife refuges: Coordinating a conservation system through law. Island Press.
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Chicago-čujuhus (17. p.)
Fischman, Robert. The National Wildlife Refuges: Coordinating a Conservation System Through Law. Washington,: Island Press, 2003.
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MLA-čujuhus (9. p.)
Fischman, Robert. The National Wildlife Refuges: Coordinating a Conservation System Through Law. Island Press, 2003.
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