Ward, M. (1827). Remarks, propositions and calculations: Relative to a railroad and locomotive engines to be used upon the same, from Baltimore to the Ohio River. Printed by J. D. Toy.
Citace podle Chicago (17th ed.)Ward, Minus. Remarks, Propositions and Calculations: Relative to a Railroad and Locomotive Engines to Be Used upon the Same, from Baltimore to the Ohio River. Baltimore: Printed by J. D. Toy, 1827.
Citace podle MLA (8th ed.)Ward, Minus. Remarks, Propositions and Calculations: Relative to a Railroad and Locomotive Engines to Be Used upon the Same, from Baltimore to the Ohio River. Printed by J. D. Toy, 1827.
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