Bigham, T. C. (1952). Transportation, principles and problems (2nd ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)Bigham, Truman Cicero. Transportation, Principles and Problems. 2nd ed. New York: McGraw-Hill, 1952.
Cita MLA (9a ed.)Bigham, Truman Cicero. Transportation, Principles and Problems. 2nd ed. McGraw-Hill, 1952.
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