Attributes / relations provided by
♦ ¹"Fig-eating by vertebrate frugivores: a global review", MIKE SHANAHAN, SAMSON SO, STEPHEN G. COMPTON and RICHARD CORLETT, Biol. Rev. (2001), 76, pp. 529–572
♦ ²SELECTION AND TREATMENT OF FOOD PLANTS BY WHITE-HANDED GIBBONS (HYLOBATES LAR) IN KHAO YAI NATIONAL PARK, THAILAND, Claudia Whitington and Uthai Treesucon, NAT. HIST. BULL. SIAM SOC. 39: lll-122, 1991
♦ ³The Diversity of Plants as Feed Resources for the Java Gibbon (Hylobates moloch), Grizzled Langur (Presbytis cornata), and Silver Langur (Trachypithecus auratus) In Gunung Halimun National Park, Wartika Rosa Farida and Harun, Jurnal Primatologi Indonesia, Vol. 3, No. 2, Desember 2000, p.:55-61
♦ ⁴Fruit Preferences of Four Sympatric Primate Species at Ketambe, Northern Sumatra, Indonesia, Peter S. Ungar, International Journal of Primatology, Vol. 16, No. 2, 1995