Childers, E. (2000). The riddle of the sands. New York: Oxford University Press.
Trích dẫn kiểu ChicagoChilders, Erskine. The Riddle of the Sands. New York: Oxford University Press, 2000.
MLA CitationChilders, Erskine. The Riddle of the Sands. New York: Oxford University Press, 2000.
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