"Xin Liu". London 2012. The London Organising Committee of the Olympic Games and Paralympic Games Limited. Archived from the original on 3 April 2013. Retrieved 13 September 2012.
"Xin Liu". London 2012. The London Organising Committee of the Olympic Games and Paralympic Games Limited. Archived from the original on 3 April 2013. Retrieved 13 September 2012.