Não informado. (2004). Investigational Report. Union of South Africa, Department of Commerce and Industries, Division of Fisheries.
Chicago-viite (17. p.)Não informado. Investigational Report. Pretoria, Africa do Sul: Union of South Africa, Department of Commerce and Industries, Division of Fisheries, 2004.
MLA-viite (8. p.)Não informado. Investigational Report. Union of South Africa, Department of Commerce and Industries, Division of Fisheries, 2004.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.