Yehudah L Werner, Chernis, Evgeny , and Granot, Roni . 2008. ?The Call Of The Sri Lankan Golden Gecko Calodactylodes Illingworthorum, Ecological Parallel Of The Fan-Toed Geckos, Genus Ptyodactylus (Reptilia: Sauria: Gekkonidae).?, 18, Pp. 35. http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=aph&AN=34392786.