Não informado. (1956). Current Food Additives Legislation. Food and Agriculture Organization of the United Nations.
Lua i Stíl Chicago (17ú heag.)Não informado. Current Food Additives Legislation. Rome: Food and Agriculture Organization of the United Nations, 1956.
Lua MLA (8ú heag.)Não informado. Current Food Additives Legislation. Food and Agriculture Organization of the United Nations, 1956.
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