FAO. (1993). FAO forestry paper N.112: Forest resources assessment 1990: Tropical countries. Rome: FAO.
Dyfyniad Arddull ChicagoFAO. FAO Forestry Paper N.112: Forest Resources Assessment 1990: Tropical Countries. Rome: FAO, 1993.
Dyfyniad MLAFAO. FAO Forestry Paper N.112: Forest Resources Assessment 1990: Tropical Countries. Rome: FAO, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.