Vallentyne, J. R. (1974). The algal bowl: Lakes and man. Fisheries and Marine Service.
Cita Chicago (17th ed.)Vallentyne, John R. The Algal Bowl: Lakes and Man. Ottawa: Fisheries and Marine Service, 1974.
Cita MLA (9th ed.)Vallentyne, John R. The Algal Bowl: Lakes and Man. Fisheries and Marine Service, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.