Michael Roberts. (2014). Biology for Life Second Edition (2nd.). Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMichael Roberts. Biology for Life Second Edition. 2nd. Oxford University Press, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMichael Roberts. Biology for Life Second Edition. 2nd. Oxford University Press, 2014.
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