Ganesh, S., N. Achyuthan, S. Chandramouli, and G. Vogel. “Taxonomic Revision of the Boiga ceylonensis Group (Serpentes: Colubridae): Re-Examination of Type Specimens, Redefinition of Nominate Taxa and an Updated Key”. Zootaxa, vol. 4779, no. 3, May 2020, pp. 301–322, doi:10.11646/zootaxa.4779.3.1.