Perrings, C., & ...[et al.]. (1997). Biodiversity loss: Economic and ecological issues. Cambridge University Press.
Παραπομπή Chicago StylePerrings, Charles, και ...[et al.]. Biodiversity Loss: Economic and Ecological Issues. New York: Cambridge University Press, 1997.
Παραπομπή MLAPerrings, Charles, και ...[et al.]. Biodiversity Loss: Economic and Ecological Issues. Cambridge University Press, 1997.
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