Kerr, A. D. (2003). Fundamentals of Railway Track Engineering. Simmons-Boardman Books, Inc.
Cita Chicago Style (17a ed.)Kerr, Arnold D. Fundamentals of Railway Track Engineering. Omaha, Nebraska: Simmons-Boardman Books, Inc, 2003.
Cita MLA (9a ed.)Kerr, Arnold D. Fundamentals of Railway Track Engineering. Simmons-Boardman Books, Inc, 2003.
Precaución: Estas citas no son 100% exactas.