D'Wolf, J. (1965). A voyage to the North Pacific and a journey through Siberia, more than half a century ago. Research Publications.
Chicago-referens (17:e uppl.)D'Wolf, John. A Voyage to the North Pacific and a Journey Through Siberia, More than Half a Century Ago. New Haven, Conn.: Research Publications, 1965.
MLA-referens (8:e uppl.)D'Wolf, John. A Voyage to the North Pacific and a Journey Through Siberia, More than Half a Century Ago. Research Publications, 1965.
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