Gorke, M. (2003). The death of our planet's species: A challenge to ecology and ethics. Island Press.
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Chicago-čujuhus (17. p.)
Gorke, Martin. The Death of Our Planet's Species: A Challenge to Ecology and Ethics. Washington: Island Press, 2003.
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MLA-čujuhus (9. p.)
Gorke, Martin. The Death of Our Planet's Species: A Challenge to Ecology and Ethics. Island Press, 2003.
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