Não informado. (1971). African Journal of Tropical Hydrobiology and Fisheries. African Fisheries Research Organizations.
Chicago-referens (17:e uppl.)Não informado. African Journal of Tropical Hydrobiology and Fisheries. Nairobi: African Fisheries Research Organizations, 1971.
MLA-referens (8:e uppl.)Não informado. African Journal of Tropical Hydrobiology and Fisheries. African Fisheries Research Organizations, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.