Sommer, M. How Cultural is Heritage?: Humanity's Black Sheep from Charles Darwin to Jack London / Marianne Sommer. Conference A Cultural History of Heredity III : 19th and early 20th centuries.(2005).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSommer, Marianne. "How Cultural Is Heritage?: Humanity's Black Sheep from Charles Darwin to Jack London / Marianne Sommer." Conference A Cultural History of Heredity III : 19th and Early 20th Centuries.(2005) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रSommer, Marianne. "How Cultural Is Heritage?: Humanity's Black Sheep from Charles Darwin to Jack London / Marianne Sommer." Conference A Cultural History of Heredity III : 19th and Early 20th Centuries.(2005), .
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.