• [Wiki] http://en.wikipedia.org/wiki/Pelophylax_epeiroticus.
• [amphibiaweb] https://amphibiaweb.org/cgi/amphib_query?rel-common_name=like&where-scientific_name=Pelophylax+epeiroticus.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [TsioKyri2002] Tsiora, A. and Kyriakopoulou-Sklavounou, P. (2002). A skeletochronological study of age and growth in relation to adult size in the water frog Rana epeirotica. Zoology, 105(1:55–60. doi:10.1078/0944-2006-00049.