Nelson, O. N. (1893). History of the Scandinavians and successful Scandinavians in the United States. O. N. Nelson.
Chicago-viite (17. p.)Nelson, Olof Nickolaus. History of the Scandinavians and Successful Scandinavians in the United States. Minneapolis, Minn: O. N. Nelson, 1893.
MLA-viite (9. p.)Nelson, Olof Nickolaus. History of the Scandinavians and Successful Scandinavians in the United States. O. N. Nelson, 1893.
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