(en) Office of the Secretary of Defense, Annual report to congress : Military and security developments involving the People's Republic of China 2013, U.S. Department of Defense, , 83 p. (lire en ligne), p. 6.
(en) Office of the Secretary of Defense, Annual report to congress : Military and security developments involving the People's Republic of China 2014, U.S. Department of Defense, , 87 p. (lire en ligne [PDF]), p. 7.