Grismer, L.L., Grismer, J.L. and Mcguire, J.A. 2006. A new species of pitviper of the genus Popeia (Squamata: Viperidae) from Pulau Tioman, Pahang, West Malaysia. Zootaxa. 1305, 1 (Aug. 2006), 1–19. DOI:https://doi.org/10.11646/zootaxa.1305.1.1.