^Sergius Kuzmin, Trevor Beebee, Franco Andreone, Per Nyström, Brandon Anthony, Benedikt Schmidt, Agnieszka Ogrodowczyk, Maria Ogielska, Dan Cogalniceanu, Tibor Kovács, István Kiss, Miklós Puky, Judit Vörös. Pelophylax lessonae. The IUCN Red List of Threatened Species2008. [2009-09-10].