Encyclopedia Iranica, [1]Архив на оригинала от 2008-11-20 в Wayback Machine., Ferdowsi, Djalal Khaleghi-Motlagh „the poet refers to... date of the Šāh-nāma’s completion as the day of Ard (i.e., 25th) of Esfand in the year 378 Š. (400 Lunar)/8 March 1010...“
Encyclopedia Iranica, [1]Архив на оригинала от 2008-11-20 в Wayback Machine., Ferdowsi, Djalal Khaleghi-Motlagh „the poet refers to... date of the Šāh-nāma’s completion as the day of Ard (i.e., 25th) of Esfand in the year 378 Š. (400 Lunar)/8 March 1010...“