Wolf, H., & Strauss, R. (1957). Elisabeth Schumann sings German songs by Wolf & Strauss: A connoisseur historical recording. World Record Club.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWolf, Hugo, और Richard Strauss. Elisabeth Schumann Sings German Songs by Wolf & Strauss: A Connoisseur Historical Recording. Richmond, Surrey: World Record Club, 1957.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWolf, Hugo, और Richard Strauss. Elisabeth Schumann Sings German Songs by Wolf & Strauss: A Connoisseur Historical Recording. World Record Club, 1957.
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