Forman, J., & Fink, O. E. (1950). Water and man: A study in ecology. Friends of the Land.
Čikaški stil citiranja (17. izdanje)Forman, Jonathan, i Ollie E. Fink. Water and Man: A Study in Ecology. Columbus, Ohio: Friends of the Land, 1950.
MLA način citiranja (9. izdanje)Forman, Jonathan, i Ollie E. Fink. Water and Man: A Study in Ecology. Friends of the Land, 1950.
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