Webb, W. L., & Webb, W. L. (1945). Railroad construction ; theory and practice: A text-book for the use of students in colleges and technical schools and a hand-book for the use of engineers in field and office (9. edition.). New York, New York: J. Wiley.
Citación estilo ChicagoWebb, Walter Loring, y Walter Loring Webb. Railroad Construction ; Theory and Practice: A Text-book for the Use of Students in Colleges and Technical Schools and a Hand-book for the Use of Engineers in Field and Office. 9. edition. New York, New York: J. Wiley, 1945.
Cita MLAWebb, Walter Loring, y Walter Loring Webb. Railroad Construction ; Theory and Practice: A Text-book for the Use of Students in Colleges and Technical Schools and a Hand-book for the Use of Engineers in Field and Office. 9. edition. New York, New York: J. Wiley, 1945.