Não informado. (1948). Report and Short Papers. Institute of Freshwater Research.
Chicago-Zitierstil (17. Ausg.)Não informado. Report and Short Papers. Drottningholm, Suecia: Institute of Freshwater Research, 1948.
MLA-Zitierstil (8. Ausg.)Não informado. Report and Short Papers. Institute of Freshwater Research, 1948.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.