Lua APA (7ú heag.)

Não informado. (2004). Investigational Report. Union of South Africa, Department of Commerce and Industries, Division of Fisheries.

Lua i Stíl Chicago (17ú heag.)

Não informado. Investigational Report. Pretoria, Africa do Sul: Union of South Africa, Department of Commerce and Industries, Division of Fisheries, 2004.

Lua MLA (8ú heag.)

Não informado. Investigational Report. Union of South Africa, Department of Commerce and Industries, Division of Fisheries, 2004.

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