Não informado. (1988). Nordic Journal of Freshwater Research. Institute of Freshwater Research.
Chicagoスタイル(17版)引用形式Não informado. Nordic Journal of Freshwater Research. Drottningholm, Suecia: Institute of Freshwater Research, 1988.
MLA(8版)引用形式Não informado. Nordic Journal of Freshwater Research. Institute of Freshwater Research, 1988.
警告: この引用は必ずしも正確ではありません.