Internationale de Football Association. 4 June 2018 [20 June 2018]. (原始内容 (PDF)存档于2018-06-19). Soccerway資料庫:優素福·恩尼斯里 national-football-teams. General Information
2011-03-09 [2020-12-25]. (原始内容存档于2021-01-03). Jonathan Landay and Arshad Mohammed. Biden urged to extend U.S.-Russia arms treaty for full 5 years without