• [Wiki] https://en.wikipedia.org/wiki/Rhinobatos_rhinobatos.
• [fishbase] https://www.fishbase.de/summary/Rhinobatos-rhinobatos.html.
• [IsmeYigi2007] Ismen, A., Yıgın, C., and Ismen, P. (2007). Age, growth, reproductive biology and feed of the common guitarfish (Rhinobatos rhinobatos Linnaeus, 1758) in Iskenderun Bay, the eastern Mediterranean Sea. Fisheries Research, 84:263--269.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.