Beethoven, L. v., & Matthews, D. (1950). Ludwig van Beethoven: Variationen. Amadeo ; Vanguard recordings.
芝加哥风格引文Beethoven, Ludwig van, 与 Denis Matthews. Ludwig Van Beethoven: Variationen. Austria: Amadeo ; Vanguard recordings, 1950.
MLA引文Beethoven, Ludwig van, 与 Denis Matthews. Ludwig Van Beethoven: Variationen. Amadeo ; Vanguard recordings, 1950.
警告：这些引文格式不一定是100％准确.