17 Nov. 2013. "NSA Surveillance Programs." Issues & Controversies. Facts On File News Services, 14 Oct. 2013. Web.
Eds. X. J. Kennedy and Dana Gioia. New York: Longman, 2010. 1111-1121. Print.
Issues & Controversies. Facts On File News Services, 14 Oct. 2013. Web. 20 Nov. 2013. .
"Issues & Controversies. Facts On File News Services, 22 Feb. 2010. Web. 18 Mar. 2014.
Issues & Controversies. Facts On File News Services, 17 May 1996. Web. 26 Mar. 2014.
Gary Goshgarian. Vol. 11. New York: Longman, 2011. 490-92.
11th ed. New York: W.W. Norton and Company, Inc., 2013. 165-171. Print. Mays, Kelly J.
Issues & Controversies. Facts On File News Services, 26 Mar. 2007. Web. 16 Nov. 2013
Issues & Controversies On File: n. pag. Issues & Controversies. Facts On File News Services, 14 Dec. 2006. Web. 21 Nov. 2013. .