Probably Cost Clinton The Election. FiveThirtyEight. 2017-05-03 [2017-05-03]. (原始内容存档于2021-05-05). 4 pieces of evidence showing FBI Director James Comey cost
[2021-08-07]. (原始内容 (PDF)存档于2011-05-16) (英语). William J. Perry - William J. Clinton Administration. Office of the Secretary of Defense - Historical Office