Davidson, James West., and Michael B. Stoff. America: History of Our Nation. Upper Saddle River, NJ: Pearson Prentice Hall, 2007. Print.
Abhinav, Vivek, Piyush Bhathya, Amy McKenna, Marco Sampaolo, Amy Tikkanen, and Grace Young. "Nelson Mandela (president of South Africa) : Presidency and Retirement." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 14 Feb. 2013.
Akhavan, Kambiz, Tracey DeFrancesco, Daniel Donayre, Jeffrey Hendricks, Marcus Hirn, Steven Jacobson, Natalie Leppard, Lindsey Rooney, and Jeremy Ziskind. "Historical Timeline - Alternative Energy - ProCon.org." Historical Timeline - Alternative Energy - ProCon.org. ProCon.org, 23 Apr. 2012. Web. 14 Feb. 2013.
"Explore the Center." Kennedy Center:
History of the Living Memorial. The Kennedy Center, n.d. Web. 12 Feb. 2013.
<http://www.kennedy-center.org/about/history.html>.
Ward, Brian. "What's That
Sound? Teaching the 1960s through Popular Music.” The Gilder Lehrman Institute of American History. The Gilder
Lehrman Institute, n.d. Web. 12 Feb. 2013.
<http://www.gilderlehrman.org/history-by-era/sixties/resources/what’s-sound-teaching-1960s-through-popular-music>.
"John Cage Biography." Bio.com.
A&E Networks Television, n.d. Web. 12 Feb. 2013.
<http://www.biography.com/people/john-cage-40612>.
"Milton Babbitt." Schirmer.
G. Schirmer Inc. Associated Music Publishers, Inc., 11 Jan. 2013. Web. 12 Feb.
2013. <http://www.schirmer.com/default.aspx?TabId=2419>.
"Milton Babbitt
Biography." Bio.com. A&E Networks Television, n.d. Web. 12 Feb.
2013. <http://www.biography.com/people/milton-babbitt-9193889>.
“On
Minimalism.” Zenhabitts RSS. 8 Feb.
2010. Web. 14 Feb. 2013. <http://zenhabits.net/on-minimalism/>.
Fisk,
Josiah. Composers on Music: Eight Centuries
of Writings. New York: Northeastern University Press. 1997.
Burkholder,
Peter. A History of Western Music: Eighth
Edition. New York: W. W. Norton & Company. 2009.
