Davies, D. G. (1967). Fresh water: The precious resource. Natural Press for the American Museum of Natural History.
芝加哥风格引文Davies, Delwyn G. Fresh Water: The Precious Resource. GArden City, N. Y: Natural Press for the American Museum of Natural History, 1967.
MLA引文Davies, Delwyn G. Fresh Water: The Precious Resource. Natural Press for the American Museum of Natural History, 1967.
警告：这些引文格式不一定是100％准确.