Powell, R. (2012). Science, Law and Geography: The geomorphology of the Lomonosov Ridge.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPowell, R. Science, Law and Geography: The Geomorphology of the Lomonosov Ridge. 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPowell, R. Science, Law and Geography: The Geomorphology of the Lomonosov Ridge. 2012.
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