• [Wiki] http://en.wikipedia.org/wiki/Clemmys_guttata.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Clemmys_guttata.
• [EoL] https://eol.org/pages/1056844.
• [ADW] https://animaldiversity.org/accounts/Clemmys_guttata/.
• [Erns1975] Ernst, C. H. (1975). Growth of the spotted turtle, Clemmys guttata. Journal of Herpetology, 9(3)):313--318.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.