APA (7e ed.) Bronvermelding

Não informado. (1988). Nordic Journal of Freshwater Research. Institute of Freshwater Research.

Chicago (17e ed.) Bronvermelding

Não informado. Nordic Journal of Freshwater Research. Drottningholm, Suecia: Institute of Freshwater Research, 1988.

MLA (8e ed.) Bronvermelding

Não informado. Nordic Journal of Freshwater Research. Institute of Freshwater Research, 1988.

Let op: Deze citaties zijn niet altijd 100% accuraat.