Rujukan Peta London Underground

  1. ↑ Badsey-Ellis, Antony. London's Lost Tube Schemes. Capital Transport. m/s. 282–283. ISBN 1-85414-293-3. 
  2. ↑ 1920 map from "A History of the London Tube Maps". Dicapai 2009-02-07. 
  3. ↑ 1933 map from "A History of the London Tube Maps". Dicapai 2009-02-07. 
  4. ↑ 1960 map from "A History of the London Tube Maps". Dicapai 2009-02-07. 
  5. ↑ 1963 map from "A History of the London Tube Maps". Dicapai 2009-02-07. 
  6. ↑ 1986 map daripada "A History of the London Tube Maps". Dicapai 2009-02-07. 
  7. ↑ "A History of the London Tube Maps". Dicapai 2009-02-07. 
  8. ↑ Garland, Ken (1998). Mr Beck's Underground Map. Capital Transport. ISBN 1854141686.  |access-date= memerlukan |url= (bantuan)
  9. 1 2 (Inggeris)"TfL Colour Standards" (PDF). TfL. 2007-03-02. Diarkibkan daripada asal (PDF) pada 2008-02-28. Dicapai 2008-01-22. 
  10. ↑ London Transport Underground Maps; sub-pages are for specific years
  11. ↑ (Inggeris) "London Tube Map". London Insider. November 2009. Dicapai 26 November 2009. 
  12. ↑ (Inggeris) Barney, Katharine (23 November 2009). "Travel revolution: Oyster rail will cut fares by 30%". London Evening Standard. Dicapai 26 November 2009. 

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