Stover, J. F. (1997). American railroads (2nd ed.). University of Chicago Press.
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Chicago-čujuhus (17. p.)
Stover, John F. American Railroads. 2nd ed. Chicago, Ill.: University of Chicago Press, 1997.
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MLA-čujuhus (9. p.)
Stover, John F. American Railroads. 2nd ed. University of Chicago Press, 1997.
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