Идуна — разлика између измена

* -{Grimes, Heilan Y. (2010). ''The Norse Myths''. Boston, MA. {{page1|location=|publisher=Hollow Earth Publishing|year=|isbn=978-1-879196-02-5|pages=}}.}-

* {{Cite book| ref=harv|last=Lindow|first=John|title = ''Norse Mythology: A Guide to the Gods, Heroes, Rituals, and Beliefs'' | publisher = Oxford University Press |location = Oxford|year=2001|isbn=978-0-19-515382-8|pages=}}

* -{Grimm, Jacob (James Steven Stallybrass Trans.) (1882). ''Teutonic Mythology: Translated from the Fourth Edition with Notes and Appendix by James Stallybrass''. Volume I. London: George Bell and Sons.}-

* -{Guerber, H. A. (1909). ''Myths of the Norsemen: From the Eddas and Sagas''. London: George G. Harrap & Company.}-