Koepnick, L. Benjamin's Silence: Lutz Koepnick. Sound matters : essays on the acoustics of German culture.(2004).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKoepnick, Lutz. "Benjamin's Silence: Lutz Koepnick." Sound Matters : Essays on the Acoustics of German Culture.(2004) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रKoepnick, Lutz. "Benjamin's Silence: Lutz Koepnick." Sound Matters : Essays on the Acoustics of German Culture.(2004), .
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