Janecka, Jan E., Helgen, Kristofer M., Lim, Norman T. -L, Baba, Minoru, Izawa, Masako, Boeadi, and Murphy, William J. 2008. "Evidence for multiple species of Sunda colugo." Current Biology, 18, (21) R1001–R1002. https://doi.org/10.1016/j.cub.2008.09.005.