الگو:Citation London station interchange February 2019
(تغییرمسیر از الگو:Citation London station interchange May 2011)
"Out of Station Interchanges". Transport for London. May 2011. Archived from the original (XLS) on 20 October 2012.
"Out of Station Interchanges". Transport for London. May 2011. Archived from the original (XLS) on 20 October 2012.