Padelford, N. J. (1942). The panama canal in peace and war. New York: The Macmillan Company.
Trích dẫn kiểu ChicagoPadelford, Norman J. The Panama Canal in Peace and War. New York: The Macmillan Company, 1942.
MLA citiranjePadelford, Norman J. The Panama Canal in Peace and War. New York: The Macmillan Company, 1942.
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