Vallentyne, J. R. (1974). The algal bowl: Lakes and man. Dept. of the Environment, Fisheries and Marine Services.
Lua i Stíl Chicago (17ú heag.)Vallentyne, John R. The Algal Bowl: Lakes and Man. Ottawa: Dept. of the Environment, Fisheries and Marine Services, 1974.
Lua MLA (9ú heag.)Vallentyne, John R. The Algal Bowl: Lakes and Man. Dept. of the Environment, Fisheries and Marine Services, 1974.
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