Levering, M. (1906). Is the operation of the twenty-eight hour unloading law humane?
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLevering, Mortimer. Is the Operation of the Twenty-eight Hour Unloading Law Humane? [n.p.], 1906.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLevering, Mortimer. Is the Operation of the Twenty-eight Hour Unloading Law Humane? 1906.
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