↑Malnate, EDMOND V. (1960) Systematic division and evolution of the colubrid snake genus Natrix, with comments on the subfamily Natricinae., Proc. Acad. Nat. Sci. Philadelphia, 112 (3): 41-71.
↑Boulenger, G.A. (1893) Catalogue of the snakes in the British Museum (Nat. Hist.) I., London (Taylor & Francis), 448 pp.
↑ 4.04.1Günther, A. (1883) Description of two snakes from the ‘Challenger” collections., Ann. Nat. Hist. (5) 11: 136-137
↑ 5.05.1Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
