http://www.sting-wl.com/right-of-collective-self-defense.html

http://www.excite.co.jp/News/odd/E1405215836918.html

http://www.taro-yamamoto.jp/wp-content/uploads/2014/07/tokubetuketugi_37thsokai.pdf

http://headlines.yahoo.co.jp/hl?a=20140714-00000050-mai-soci

http://news.goo.ne.jp/article/nagasaki/region/nagasaki-28765991.html

http://www.moj.go.jp/jinji/shihoushiken/jinji07_00118.html