Não informado. (1964). Ideas and Action. Food and Agriculture Organization of the United Nations.
Chicago-referens (17:e uppl.)Não informado. Ideas and Action. Rome: Food and Agriculture Organization of the United Nations, 1964.
MLA-referens (8:e uppl.)Não informado. Ideas and Action. Food and Agriculture Organization of the United Nations, 1964.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.