Wilson, L. (1930). Coordinated motor-rail-steamship transportation. Appleton.
Chicago-čujuhus (17. p.)Wilson, Lloyd. Coordinated Motor-rail-steamship Transportation. New York: Appleton, 1930.
MLA-čujuhus (9. p.)Wilson, Lloyd. Coordinated Motor-rail-steamship Transportation. Appleton, 1930.
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