^Mallory, J. P.; Adams, D. Q. The Oxford Introduction to Proto-Indo-European and the Proto-Indo-European World. Oxford, England: Oxford University Press. 2006: 434. ISBN 978-0-19-929668-2.
^H. Collitz, "Wodan, Hermes und Pushan," Festskrift tillägnad Hugo Pipping pȧ hans sextioȧrsdag den 5 November 1924 1924, pp 574–587.
^R. S. P. Beekes, Etymological Dictionary of Greek, Brill, 2009, p. 1149.