^ 2.02.1Nekaris, N.A.I.; Bearder, S.K. Chapter 4: The lorisiform primates of Asia and mainland Africa: Diversity shrouded in darkness. Campbell, C.J.; Fuentes, A.; MacKinnon, K.C.; Bearder, S. K.; Stumpf, R.M. (編). Primates in Perspective 2nd. Oxford University Press. 2011. ISBN 978-0-19-539043-8.
^Hartwig, W. Chapter 3: Primate evolution. Campbell, C. J.; Fuentes, A.; MacKinnon, K. C.; Bearder, S. K.; Stumpf, R. M (編). Primates in Perspective 2nd. Oxford University Press. 2011: 19–31. ISBN 978-0-19-539043-8.