↑ 1.01.11.2Samadi, Habibeh; Nick Perkins (2012). Martin Ball; David Crystal; Paul Fletcher (บ.ก.). Assessing Grammar: The Languages of Lars. Multilingual Matters. p. 169. ISBN978-1-84769-637-3.
↑"IRAQ". Encyclopædia Iranica. สืบค้นเมื่อ 7 November 2014.
↑Pilkington, Hilary; Yemelianova, Galina (2004). Islam in Post-Soviet Russia. Taylor & Francis. p. 27. ISBN978-0-203-21769-6. Among other indigenous peoples of Iranian origin were the Tats, the Talishes and the Kurds.
↑ 6.06.1Windfuhr, Gernot: The Iranian Languages, Routledge 2009, p. 418.
↑"Persian | Department of Asian Studies" (ภาษาอังกฤษแบบอเมริกัน). สืบค้นเมื่อ 2 January 2019. There are numerous reasons to study Persian: for one thing, Persian is an important language of the Middle East and Central Asia, spoken by approximately 70 million native speakers and roughly 110 million people worldwide.
↑Constitution of the Islamic Republic of Iran: Chapter II, Article 15: "The official language and script of Iran, the lingua franca of its people, is Persian. Official documents, correspondence, and texts, as well as text-books, must be in this language and script. However, the use of regional and tribal languages in the press and mass media, as well as for teaching of their literature in schools, is allowed in addition to Persian."
↑Constitution of the Republic of Dagestan: Chapter I, Article 11: "The state languages of the Republic of Dagestan are Russian and the languages of the peoples of Dagestan."
de Blois, Francois (2004). Persian Literature - A Bio-Bibliographical Survey: Poetry of the Pre-Mongol Period (Volume V). Routledge. ISBN978-0947593476.
Lazard, G. (1994). "Darī". ใน Yarshater, Ehsan (บ.ก.). Encyclopædia Iranica, Volume VII/1: Dārā(b)–Dastūr al-Afāżel. London and New York: Routledge & Kegan Paul. pp. 34–35. ISBN978-1-56859-019-6.