イラン語群
↑ Gordon, Raymond G., Jr. (ed.) (2005). “Report for Iranian languages”. Ethnologue: Languages of the World (Dallas: SIL International). http://www.ethnologue.com/show_family.asp?subid=90019.
Schmidt, Rüdiger, ed. (1989). Compendium Linguarum Iranicarum. Wiesbaden: Reichert. ISBN 3-88226-413-6。
Sims-Williams, Nicholas (1996). "Iranian languages". Encyclopedia Iranica. Vol. 7. Cosa Mesa: Mazda. pp. 238–245.
Yarshater, Ehsan (1996). "Iran". Encyclopedia Iranica. Vol. 7. Cosa Mesa: Mazda.