chelseafc.com. [2021-12-22]. (原始内容存档于2022-08-27). Who are Harvey Vale, JudeSoonsup-Bell and Xavier Simons, where can they play and how long have they been
(原始内容存档于2021-06-26). worldfootball.net:夏菲·華爾之統計數據 (英文) Who are Harvey Vale, JudeSoonsup-Bell and Xavier Simons, where can they play and how long have they been