Lewis, R. E. Aspects of polysemy in the "Middle English Dictionary": Robert E. Lewis. Historical dictionaries and historical dictionary research : papers from the International Conference on Historical Lexicography and Lexicology, at the University of Leicester, 2002.(2004).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLewis, Robert E. "Aspects of Polysemy in the "Middle English Dictionary": Robert E. Lewis." Historical Dictionaries and Historical Dictionary Research : Papers from the International Conference on Historical Lexicography and Lexicology, at the University of Leicester, 2002.(2004) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रLewis, Robert E. "Aspects of Polysemy in the "Middle English Dictionary": Robert E. Lewis." Historical Dictionaries and Historical Dictionary Research : Papers from the International Conference on Historical Lexicography and Lexicology, at the University of Leicester, 2002.(2004), .