Food and Agriculture Organization of the United Nations. (1986). Forestry extension organization. Food and Agriculture Organization of the United Nations.
Chicago-referens (17:e uppl.)Food and Agriculture Organization of the United Nations. Forestry Extension Organization. Rome: Food and Agriculture Organization of the United Nations, 1986.
MLA-referens (9:e uppl.)Food and Agriculture Organization of the United Nations. Forestry Extension Organization. Food and Agriculture Organization of the United Nations, 1986.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.