• [Wiki] http://en.wikipedia.org/wiki/Aldabrachelys_gigantea.
• [ADW] http://animaldiversity.org/accounts/Dipsochelys_dussumieri/.
• [EoL] http://eol.org/pages/795005/details.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Geochelone_gigantea.
• [ErnsBarb1989] Ernst, C. H. and Barbour, R. W. (1989). Turtles of the world. Smithsonian Institutiun Press, Washington.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.