Anderson. Norwegians and Swedes in the United States. Minnesota Historical Society Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAnderson. Norwegians and Swedes in the United States. Minnesota Historical Society Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAnderson. Norwegians and Swedes in the United States. Minnesota Historical Society Press.
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