Firth, P., & Fisher, S. G. (1991). Global climate change and freshwater ecosystems. Springer-Verlag.
Čikaški stil citiranjaFirth, Penelope, i Stuart G. Fisher. Global Climate Change and Freshwater Ecosystems. New York: Springer-Verlag, 1991.
MLA način citiranjaFirth, Penelope, i Stuart G. Fisher. Global Climate Change and Freshwater Ecosystems. Springer-Verlag, 1991.
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