Wagner, R. (1996). Die walkure Atto I Atto II (beginning). Decca Record Comp.
芝加哥风格引文Wagner, Richard. Die Walkure Atto I Atto II (beginning). Germany: Decca Record Comp, 1996.
MLA引文Wagner, Richard. Die Walkure Atto I Atto II (beginning). Decca Record Comp, 1996.
警告：这些引文格式不一定是100％准确.