Sources: Apa citation
1) Abbott Howard Hoffman. (2014). The Biography.com website. Retrieved 06:49, Aug 12, 2014, from: http://www.biography.com/people/abbie-hoffman-9341100.
2) Abbie Hoffman. (2000, May 11). Trincoll.edu. Retrieved August 12, 2014, from http://www.trincoll.edu/classes/hist300/newpage2.htm
3) Abbott (Abbie) Hoffman. (n.d.). PBS. Retrieved August 12, 2014, from http://www.pbs.org/opb/thesixties/topics/revolution/newsmakers_2.html
4) Cherry, R. (2013, January 9). The SDS and the Yippies. Ray N. Cherry Blog: . Retrieved August 12, 2014, from http://rayncherrycom.blogspot.com/2013/01/the-sds-and-yippies.html
5) Pollick, M., & Foster, N. (2014, July 8). Who Were The Yippies. WiseGeek. Retrieved August 12, 2014, from http://www.wisegeek.com/who-were-the-yippies.htm
6) Yippies. (2000, May 11). Yippies. Retrieved August 12, 2014, from http://www.trincoll.edu/classes/hist300/yippies.htm
2) Abbie Hoffman. (2000, May 11). Trincoll.edu. Retrieved August 12, 2014, from http://www.trincoll.edu/classes/hist300/newpage2.htm
3) Abbott (Abbie) Hoffman. (n.d.). PBS. Retrieved August 12, 2014, from http://www.pbs.org/opb/thesixties/topics/revolution/newsmakers_2.html
4) Cherry, R. (2013, January 9). The SDS and the Yippies. Ray N. Cherry Blog: . Retrieved August 12, 2014, from http://rayncherrycom.blogspot.com/2013/01/the-sds-and-yippies.html
5) Pollick, M., & Foster, N. (2014, July 8). Who Were The Yippies. WiseGeek. Retrieved August 12, 2014, from http://www.wisegeek.com/who-were-the-yippies.htm
6) Yippies. (2000, May 11). Yippies. Retrieved August 12, 2014, from http://www.trincoll.edu/classes/hist300/yippies.htm