Röntgen, J. Theme and variations opus 17 in B flat major: (1878) / Julius Röntgen. Piano à quatre mains. - [S.l.]: NM, P 1992. - Best.-Nr. 92014. - Compact Disc, Nr. 12.
Citazione stile Chigago Style (17a edizione)Röntgen, Julius. "Theme and Variations Opus 17 in B Flat Major: (1878) / Julius Röntgen." Piano à Quatre Mains. - [S.l.]: NM, P 1992. - Best.-Nr. 92014. - Compact Disc, Nr. 12 .
Citatione MLA (8a ed.)Röntgen, Julius. "Theme and Variations Opus 17 in B Flat Major: (1878) / Julius Röntgen." Piano à Quatre Mains. - [S.l.]: NM, P 1992. - Best.-Nr. 92014. - Compact Disc, Nr. 12, .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.