• [Wiki] http://en.wikipedia.org/wiki/Testudo_hermanni.
• [ADW] http://animaldiversity.org/accounts/Testudo_hermanni/.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Testudo_hermanni.
• [EoL] http://eol.org/pages/1055218/overview.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [RitzClau2012] Ritz, J., Clauss, M., Streich, W. J., and Hatt, J.-M. (2012). Variation in growth and potentially associated health status in Hermann's and spur-thighed tortoise (Testudo hermanni and Testudo graeca). Zoo Biology, 31:705--717.