Lua APA (7ú heag.)
Cook, H. F. (2017). The protection and conservation of water resources. Wiley-Blackwell.
Lua i Stíl Chicago (17ú heag.)
Cook, Hadrian F. The Protection and Conservation of Water Resources. Chichester, West Sussex, England: Wiley-Blackwell, 2017.
Lua MLA (9ú heag.)
Cook, Hadrian F. The Protection and Conservation of Water Resources. Wiley-Blackwell, 2017.
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