Harding, C. F. 1., & Harding, C. F. 1. (1926). Electric railway engineering (3. edition.). New York, New York: McGraw-Hill.
Citación estilo ChicagoHarding, Charles Francis 1881-1942, y Charles Francis 1881-1942 Harding. Electric Railway Engineering. 3. edition. New York, New York: McGraw-Hill, 1926.
Cita MLAHarding, Charles Francis 1881-1942, y Charles Francis 1881-1942 Harding. Electric Railway Engineering. 3. edition. New York, New York: McGraw-Hill, 1926.
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