• [Wiki] http://en.wikipedia.org/wiki/Podocnemis_unifilis.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Podocnemis_unifilis.
• [arkive] http://www.arkive.org/yellow-headed-sideneck-turtle/podocnemis-unifilis/.
• [fao] http://www.fao.org/docrep/t0750e/t0750e09.htm/.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [MeerRobi2016] Meers, M. B., Robinson, K. L., Smith, D., Scordino, A., and Fisher, L. (2016). Effect of diet on growth in captive Podocnemis unifilis: assessing optimal diets for turtles in head-starting programs. Bullitin Florida Museum Natural History, 54(4):58--68.
• [MiorGiar2016] Miorando, P. S., Giarrizzo, T., and Pezzuti, J. C. B. (2015). Population structure and allometry of Podocnemis unifilis (Testudines, Podocnemididae) in a protected area upstream Belo Monte dam in Xingu River, Brazil. Anais da Academia Brasileira de Ciências, 87(4):2067--2079.