↑ 1.01.1Mayrhofer, Manfred (1992–2001) “*áśva-”, in Etymologisches Wörterbuch des Altindoarischen [Etymological Dictionary of Old Indo-Aryan][1] (in German), Heidelberg: Carl Winter Universitätsverlag, pages 139-140
↑ 2.02.12.2Rastorgujeva, V. S., Edelʹman, D. I. (2000–) “*āśu̯a-”, in Etimologičeskij slovarʹ iranskix jazykov [Etymological Dictionary of Iranian Languages] (in Russian), Moscow: Vostochnaya Literatura, pages 243-246
↑ 3.03.1Lubotsky, Alexander (2011) “áśva-”, in The Indo-Aryan Inherited Lexicon (in progress) (Indo-European Etymological Dictionary Project), Leiden University