^Karl F. Geldner, Avesta, the Sacred Books of the Parsis, Stuttgart, 1896
^Humbach, Helmut; Elfenbein, Josef; Skjærvø, Prods O. (1991), The Gāthās of Zarathushtra and other Old Avestan texts, Part II, Commentary, Heidelberg: Winter, pp. 1–15, 248
Karl F. Geldner, Avesta, the Sacred Books of the Parsis, Stuttgart, 1896
Humbach, Helmut; Elfenbein, Josef; Skjærvø, Prods O. (1991), The Gāthās of Zarathushtra and other Old Avestan texts, Part II, Commentary, Heidelberg: Winter