Takashi, Ōsawa. „A Hypothesis on the Etymology of the Old Turkic Royal Clan Name Ašina/Ašinas and the Transformation Process in the Early Abbasid Period”. Chronica, köt. 11, 2011. január, o. 145-53, https://ojs.bibl.u-szeged.hu/index.php/chronica/article/view/10787.