Wielkanocny Festiwal Ludwiga van Beethovena Warszawa, Rybicki, J., & Pilawski, J. (2004). 8th Ludwig van Beethoven Easter Festival: Beethoven and the Music of the Nations of Europe : Warsaw, 31 March-9 April 2004. Ludwig van Beethoven Association.
Citazione stile Chigago Style (17a edizione)Wielkanocny Festiwal Ludwiga van Beethovena Warszawa, Jan Rybicki, e Jerzy Pilawski. 8th Ludwig Van Beethoven Easter Festival: Beethoven and the Music of the Nations of Europe : Warsaw, 31 March-9 April 2004. Kraków: Ludwig van Beethoven Association, 2004.
Citatione MLA (9a ed.)Wielkanocny Festiwal Ludwiga van Beethovena Warszawa, et al. 8th Ludwig Van Beethoven Easter Festival: Beethoven and the Music of the Nations of Europe : Warsaw, 31 March-9 April 2004. Ludwig van Beethoven Association, 2004.