Copy of a letterLưu trữ 2009-03-20 tại Wayback Machine dated ngày 6 tháng 3 năm 2009 from Jean-Francois Julliard, Secretary-General of Reporters Without Borders, and Larry Cox, Executive Director of Amnesty International, to Eric Schmidt, Chief Executive Officer, Google, Carol Bartz, Chief Executive Officer, Yahoo!, Inc., and Steve Ballmer, Chief Executive Officer, Microsoft Corporation.
"Internet Enemies"Lưu trữ 2014-03-12 tại Wayback Machine, Enemies of the Internet 2014: Entities at the heart of censorship and surveillance, Reporters Without Borders (Paris), 11 March 2014. Truy cập 24 June 2014.
Copy of a letterLưu trữ 2009-03-20 tại Wayback Machine dated ngày 6 tháng 3 năm 2009 from Jean-Francois Julliard, Secretary-General of Reporters Without Borders, and Larry Cox, Executive Director of Amnesty International, to Eric Schmidt, Chief Executive Officer, Google, Carol Bartz, Chief Executive Officer, Yahoo!, Inc., and Steve Ballmer, Chief Executive Officer, Microsoft Corporation.
"Internet Enemies"Lưu trữ 2014-03-12 tại Wayback Machine, Enemies of the Internet 2014: Entities at the heart of censorship and surveillance, Reporters Without Borders (Paris), 11 March 2014. Truy cập 24 June 2014.
