Merker, Stefan; Driller, Christine; Dahruddin, Hadi; Wirdateti; Sinaga, Walberto; Perwitasari-Farajallah, Dyah; Shekelle, Myron. (2010). «Tarsius wallacei: A New Tarsier Species from Central Sulawesi Occupies a Discontinuous Range». International Journal of Primatology31 (6): 1107-1122. doi:10.1007/s10764-010-9452-0.