Willer, S. 'Epigenesis' in epigenetics: Scientific knowledge, concepts, and words / Stefan Willer. The hereditary hourglass : genetics and epigenetics, 1868 - 2000.(2010).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWiller, Stefan. "'Epigenesis' in Epigenetics: Scientific Knowledge, Concepts, and Words / Stefan Willer." The Hereditary Hourglass : Genetics and Epigenetics, 1868 - 2000.(2010) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रWiller, Stefan. "'Epigenesis' in Epigenetics: Scientific Knowledge, Concepts, and Words / Stefan Willer." The Hereditary Hourglass : Genetics and Epigenetics, 1868 - 2000.(2010), .
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