Sutherland, W. J. (2017). What works in conservation 2017. Open Book Publishers.
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Chicago-čujuhus (17. p.)
Sutherland, William J. What Works in Conservation 2017. Cambridge, UK: Open Book Publishers, 2017.
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MLA-čujuhus (9. p.)
Sutherland, William J. What Works in Conservation 2017. Open Book Publishers, 2017.
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