Não informado. (2004). Investigational Report. Republic of South Africa, Department of Industries, Sea Fisheries Branch.
Chicago-referens (17:e uppl.)Não informado. Investigational Report. Cape Town, Africa do Sul: Republic of South Africa, Department of Industries, Sea Fisheries Branch, 2004.
MLA-referens (8:e uppl.)Não informado. Investigational Report. Republic of South Africa, Department of Industries, Sea Fisheries Branch, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.