↑ Swain, Simon; Adams, J. Maxwell; Janse, Mark (2002). Bilingualism in ancient society: language contact and the written word. Oxford [Oxfordshire]: Oxford University Press. pp. 246–266. ISBN0-19-924506-1.CS1 maint: multiple names: authors list (link)
↑ Brixhe, Cl. "Le Phrygien". In Fr. Bader (ed.), Langues indo-europeennes, pp. 165-178, Paris: CNRS Editions.
↑ Roger D. Woodard - 'The ancient languages of Asia Minor', Cambridge University Press, 2008, ISBN 052168496X, page 72, "Unquestionably, however, Phrygian is most closely linked with Greek"
↑ The etymology is defended in O. Panagl & B. Kowal, "Zur etymologischen Darstellung von Restsprachen", in: A. Bammesberger (ed.), Das etymologische Wörterbuch, Regensburg 1983, pp. 186-7. It is contested in Benjamin W. Fortson, Indo-European Language and Culture: An Introduction. Blackwell, 2004. ISBN 1405103167, p. 409.
