Grismer, L. L., van Tri, N. and Grismer, J. L. (2008) “A new species of insular pitviper of the genus Cryptelytrops (Squamata: Viperidae) from southern Vietnam”, Zootaxa. Auckland, New Zealand, 1715(1), pp. 57–68. doi: 10.11646/zootaxa.1715.1.4.