HOBHOUSE, H. Seeds of change ; six plants that transformed mankind. New York.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHOBHOUSE, HENRY. Seeds of Change ; Six Plants That Transformed Mankind. New York.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHOBHOUSE, HENRY. Seeds of Change ; Six Plants That Transformed Mankind. New York.
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