Food and Agriculture Organization of the United Nations. (1993). Forest resources assessment: Tropical countries. FAO.
Chicago-referens (17:e uppl.)Food and Agriculture Organization of the United Nations. Forest Resources Assessment: Tropical Countries. Rome: FAO, 1993.
MLA-referens (9:e uppl.)Food and Agriculture Organization of the United Nations. Forest Resources Assessment: Tropical Countries. FAO, 1993.