Não informado. (2004). Investigational Report. Republic of South Africa, Department of Industries, Sea Fisheries Branch.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Investigational Report. Cape Town, Africa do Sul: Republic of South Africa, Department of Industries, Sea Fisheries Branch, 2004.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Investigational Report. Republic of South Africa, Department of Industries, Sea Fisheries Branch, 2004.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.