Cossi, O. (1993). Water wars: The fight to control and conserve nature's most precious resource. New Discovery Books.
Chicago-viite (17. p.)Cossi, Olga. Water Wars: The Fight to Control and Conserve Nature's Most Precious Resource. New York: New Discovery Books, 1993.
MLA-viite (9. p.)Cossi, Olga. Water Wars: The Fight to Control and Conserve Nature's Most Precious Resource. New Discovery Books, 1993.
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