Não informado. (1978). Freshwater and aquaculture contents tables. Food and Agriculture Organization of the United Nations.
Lua i Stíl Chicago (17ú heag.)Não informado. Freshwater and Aquaculture Contents Tables. Roma: Food and Agriculture Organization of the United Nations, 1978.
Lua MLA (8ú heag.)Não informado. Freshwater and Aquaculture Contents Tables. Food and Agriculture Organization of the United Nations, 1978.
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