↑Billing H; Nilson G; Sattler U (1990) Vipera pontica sp. n., a new viper species in the kaznakovi group (Reptilia, Viperidae) from northeastern Turkey and adjacent Transcaucasia., Zoologica Scripta 19 (2): 227-231
↑ 3.03.1Bisby 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)