Liam Cullen: Lincoln City sign Swansea City striker on loan. BBC體育. 2022-01-13 [2022-02-02]. (原始内容存档于2022-02-03). Liam Walsh: Swansea City sign ex-Bristol
Colombia spat. Reuters. 11 August 2009 [13 August 2009]. Chavez and Cristina sign a billion USD trade agreement. MercoPress. 12 August 2009 [13 August 2009]