Barker, Andrew (2010). “Setting the Tone: Austria's National Anthems”. Word and Music. Austrian Studies. 17. MHRA. p. 23. ISBN9781907322082. JSTOR27944906(当該ページのプレビュー、Google Books)
jstor.org
Barker, Andrew (2010). “Setting the Tone: Austria's National Anthems”. Word and Music. Austrian Studies. 17. MHRA. p. 23. ISBN9781907322082. JSTOR27944906(当該ページのプレビュー、Google Books)