Não informado. (1954). FAO forestry development paper. Food and Agriculture Organization of the United Nations.
Chicago-referens (17:e uppl.)Não informado. FAO Forestry Development Paper. Rome: Food and Agriculture Organization of the United Nations, 1954.
MLA-referens (8:e uppl.)Não informado. FAO Forestry Development Paper. Food and Agriculture Organization of the United Nations, 1954.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.