Petros Lymberakis, Rastko Ajtic, Varol Tok, Ismail H. Ugurtas, Murat Sevinç, Pierre-André Crochet, Ahmad Mohammed Mousa Disi, Souad Hraoui-Bloquet, Riyad Sadek, Idriz Haxhiu, Wolfgang Böhme, Aram Agasyan, Boris Tuniyev, Natalia Ananjeva & Nikolai Orlov 2009 Platyceps najadum Från: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2 <www.iucnredlist.org>. Läst 14 maj 2014.
iucnredlist.org
Petros Lymberakis, Rastko Ajtic, Varol Tok, Ismail H. Ugurtas, Murat Sevinç, Pierre-André Crochet, Ahmad Mohammed Mousa Disi, Souad Hraoui-Bloquet, Riyad Sadek, Idriz Haxhiu, Wolfgang Böhme, Aram Agasyan, Boris Tuniyev, Natalia Ananjeva & Nikolai Orlov 2009 Platyceps najadum Från: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2 <www.iucnredlist.org>. Läst 14 maj 2014.