Olson, W. (1988). New directions in liability law. Academy of Political Science in conjunction with the Manhattan Institute for Policy Research.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOlson, Walter. New Directions in Liability Law. New York: Academy of Political Science in conjunction with the Manhattan Institute for Policy Research, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOlson, Walter. New Directions in Liability Law. Academy of Political Science in conjunction with the Manhattan Institute for Policy Research, 1988.
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