Não informado. (1971). African Journal of Tropical Hydrobiology and Fisheries. African Fisheries Research Organizations.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. African Journal of Tropical Hydrobiology and Fisheries. Nairobi: African Fisheries Research Organizations, 1971.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. African Journal of Tropical Hydrobiology and Fisheries. African Fisheries Research Organizations, 1971.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.