^Fragner، Bert (1986). «Social and Internal Economic Affairs». The Cambridge History of Iran (Vol. 6). Cambridge University Press. p. 557. ISBN978-0-521-20094-3. The unit of reckoning was the Tūmān (from the Mongol Tümen, i.e. 10,000), the equivalent of 10,000 dīnārs.{{cite book}}: |ref=harv نادروستە (یارمەتی)ڕاگرتنی شێوازی سەرچاوەی ١: postscript (بەستەر)
^«COINS AND COINAGE». Encyclopaedia Iranica, Vol. VI, Fasc. 1. 1992. pp. 14–41. (...) of Transoxania (near modern Dushanbe), for 1,000 Tomans (Tūmān or "Toomān"< Mong. Toman "10,000," originally designating a value of 10,000 dinars) of copper coins (Folūs) per year.{{cite encyclopedia}}: |ref=harv نادروستە (یارمەتی)
^ ئا«COINS AND COINAGE». Encyclopaedia Iranica, Vol. VI, Fasc. 1. 1992. pp. 14–41. (...) of Transoxania (near modern Dushanbe), for 1,000 Tomans (Tūmān or "Toomān"< Mong. Toman "10,000," originally designating a value of 10,000 dinars) of copper coins (Folūs) per year.{{cite encyclopedia}}: |ref=harv نادروستە (یارمەتی)