• [Wiki] http://en.wikipedia.org/wiki/Psammophis_sibilans.
• [EoL] https://eol.org/pages/459775.
• [AnAge] https://genomics.senescence.info/species/entry.php?species=Psammophis_subtaeniatus.
• [Bran1992] Branch, B. (1992). Field guide to the snakes and other reptiles of South Africa. New Holland (Publishers) Ltd.
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• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.