Scharbert, G. Freud and evolution: Gerhard Scharbert. Special issue: Darwin in culture.(2009).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रScharbert, Gerhard. "Freud and Evolution: Gerhard Scharbert." Special Issue: Darwin in Culture.(2009) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रScharbert, Gerhard. "Freud and Evolution: Gerhard Scharbert." Special Issue: Darwin in Culture.(2009), .
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