ebrary, Inc, & Alper, J. S. (2002). The Double-edged helix: Social implications of genetics in a diverse society. Johns Hopkins University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc, और Joseph S. Alper. The Double-edged Helix: Social Implications of Genetics in a Diverse Society. Baltimore, Md.: Johns Hopkins University Press, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc, और Joseph S. Alper. The Double-edged Helix: Social Implications of Genetics in a Diverse Society. Johns Hopkins University Press, 2002.
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