References

Agasyan A, Avisi A, Tuniyev B, Crnobrnja Isailovic J, Lymberakis P, Andrén C, Cogalniceanu D, Wilkinson J, Ananjeva N, Üzüm N, Orlov N, Podloucky R, Tuniyev S, Kaya U. 2009. Bufo bufo. The IUCN Red List of Threatened Species. Version 2014.2. [http://www.iucnredlist.org]