Welton, Luke J., Scott L. Travers, Cameron D. Siler, and Rafe M. Brown. 2014. “Integrative Taxonomy and Phylogeny-Based Species Delimitation of Philippine Water Monitor Lizards (Varanus salvator Complex) With Descriptions of Two New Cryptic Species”. Zootaxa 3881 (3). Auckland, New Zealand:201–227. https://doi.org/10.11646/zootaxa.3881.3.1.