Não informado. (1948). Report and Short Papers. Institute of Freshwater Research.
Cita Chicago Style (17a ed.)Não informado. Report and Short Papers. Drottningholm, Suecia: Institute of Freshwater Research, 1948.
Cita MLA (8a ed.)Não informado. Report and Short Papers. Institute of Freshwater Research, 1948.
Precaución: Estas citas no son 100% exactas.