Orang-Utan - Harrisson, Barbara (New York Oxford University Press, 1987)
Previous edition Garden City, New York : Doubleday, 1963
English
Keywords: Bornean Orang-Utan; Fiksyen Melayu; Mammals - - Indonesia - - Sumatra; Orang-Utan - - Indonesia - - Sumatra; Sumatran Orang-Utan