Beckwith 2009, pp. 58–77 Mallory 1997, pp. 308–311 Harmatta 1992, pp.  348: "From the first millennium b.c., we have abundant historical, archaeological and linguistic sources for the location of the territory inhabited by the Iranian peoples.
Ανακτήθηκε στις 1 June 2015.  Beckwith 2009, σελίδες 58–77 Mallory 1997, σελίδες 308–311 Harmatta 1992, σελ. 348: "From the first millennium b.c., we have abundant historical, archaeological and linguistic sources for the location of the territory inhabited by the Iranian peoples.