Não informado. (2004). Investigational Report. Union of South Africa, Department of Commerce and Industries, Division of Fisheries.
Chicago-referens (17:e uppl.)Não informado. Investigational Report. Pretoria, Africa do Sul: Union of South Africa, Department of Commerce and Industries, Division of Fisheries, 2004.
MLA-referens (8:e uppl.)Não informado. Investigational Report. Union of South Africa, Department of Commerce and Industries, Division of Fisheries, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.