Gelbin, C. S. (1997). The Indelible Seal: Race, Hybridity and Identity in Elisabeth Langgässer's Writings.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGelbin, Catherine Susan. The Indelible Seal: Race, Hybridity and Identity in Elisabeth Langgässer's Writings. 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGelbin, Catherine Susan. The Indelible Seal: Race, Hybridity and Identity in Elisabeth Langgässer's Writings. 1997.
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