National Railroad Passenger Corporation. eTICKETS NOW ACCEPTED ON EVERY AMTRAK TRAIN(PDF). Amtrak News Release. National Railroad Passenger Corporation. 2012-07-30 [2012-07-30]. (原始内容(PDF)存档于2012-08-04).
Amtrak National Facts互联网档案馆的存檔,存档日期2011-05-27.. Accessed July 2, 2008. Amtrak's 2007 fiscal year ran from October 2006 to September 2007. Does not include Canada.
91st Congress of the United States of America. Section 301: Creation of the Corporation. Rail Passenger Service Act of 1970. United States Government. [2012-07-30]. (原始内容存档于2012-08-06).
Amtrak President David Gunn Lectures at UIUC. CEE Alumni Association Newsletter, Online Edition (University of Illinois at Urbana-Champaign: CEE Alumni Association). 2005 [2008-06-12]. (原始内容存档于2007-08-25).
usmayors.org
U.S. Conference of Mayors. III. Transportation(PDF). Fiscal Year 2011 Appropriations (HR 1473). U.S. Conference of Mayors. [2012-07-30]. (原始内容(PDF)存档于2012-12-18).
91st Congress of the United States of America. Section 301: Creation of the Corporation. Rail Passenger Service Act of 1970. United States Government. [2012-07-30]. (原始内容存档于2012-08-06).
Amtrak President David Gunn Lectures at UIUC. CEE Alumni Association Newsletter, Online Edition (University of Illinois at Urbana-Champaign: CEE Alumni Association). 2005 [2008-06-12]. (原始内容存档于2007-08-25).
National Railroad Passenger Corporation. eTICKETS NOW ACCEPTED ON EVERY AMTRAK TRAIN(PDF). Amtrak News Release. National Railroad Passenger Corporation. 2012-07-30 [2012-07-30]. (原始内容(PDF)存档于2012-08-04).
Amtrak National Facts互联网档案馆的存檔,存档日期2011-05-27.. Accessed July 2, 2008. Amtrak's 2007 fiscal year ran from October 2006 to September 2007. Does not include Canada.
U.S. Conference of Mayors. III. Transportation(PDF). Fiscal Year 2011 Appropriations (HR 1473). U.S. Conference of Mayors. [2012-07-30]. (原始内容(PDF)存档于2012-12-18).
National Railroad Passenger Corporation. Basic Amtrak Facts. Amtrak National Facts, FY 2011. National Railroad Passenger Corporation. [2012-07-30]. (原始内容存档于2012-08-07).