الگو:Amtrak By the Numbers
Simon, Elbert; Warner, David C. (2011). Amtrak by the numbers: a comprehensive passenger car and motive power roster, 1971-2011. Kansas City, MO: White River Productions. ISBN 978-1-932804-12-9. OCLC 837623640. {{cite book}}: Check |isbn= value: checksum (help); Cite has empty unknown parameter: |nopp= (help); Unknown parameter |ignore-isbn-error= ignored (|isbn= suggested) (help)
