- [Wiki]
http://en.wikipedia.org/wiki/Pelobates_syriacus.
- [amphibiaweb]
https://amphibiaweb.org/cgi/amphib_query?where-genus=Pelobates&where-species=syriacus.
- [CogaRosi2014]
Cogalniceanu, D., Rosioru, D., Szekely, P., Szekely, D., Buhaciuc, E.,
Stanescu, F., and Miaud, C. (2014).
Age and body size in populations of two syntopic spadefoot toads
(genus Pelobates) at the limit of their ranges.
Journal of Herpetology, 48(4):537--545.
- [Kooy2010]
Kooijman, S. (2010).
Dynamic Energy Budget theory for metabolic organisation.
Cambridge Univ. Press, Cambridge.