Lovegrove, R. (2007). Silent fields: The long decline of a nation's wildlife. Oxford University Press.
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Chicago-čujuhus (17. p.)
Lovegrove, Roger. Silent Fields: The Long Decline of a Nation's Wildlife. Oxford: Oxford University Press, 2007.
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MLA-čujuhus (9. p.)
Lovegrove, Roger. Silent Fields: The Long Decline of a Nation's Wildlife. Oxford University Press, 2007.
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