Sergius Kuzmin, Li Pipeng, Masafumi Matsui, Vladimir Ishchenko, Irina Maslova: Bombina orientalisIUCN Red List of Threatened Species. Version 2014.2. 2004. International Union for Conservation of Nature, IUCN, Iucnredlist.org. Viitattu 4.8.2014. (englanniksi)
