Vallentyne, J. R. (1974). The algal bowl: Lakes and man. Dept. of the Environment, Fisheries and Marine Services.
Chicago-referens (17:e uppl.)Vallentyne, John R. The Algal Bowl: Lakes and Man. Ottawa: Dept. of the Environment, Fisheries and Marine Services, 1974.
MLA-referens (9:e uppl.)Vallentyne, John R. The Algal Bowl: Lakes and Man. Dept. of the Environment, Fisheries and Marine Services, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.