Food and Agriculture Organization of the United Nations. (1989). Forestry and food security. Food and Agriculture Organization of the United Nations.
Chicago-viite (17. p.)Food and Agriculture Organization of the United Nations. Forestry and Food Security. Rome: Food and Agriculture Organization of the United Nations, 1989.
MLA-viite (8. p.)Food and Agriculture Organization of the United Nations. Forestry and Food Security. Food and Agriculture Organization of the United Nations, 1989.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.