pink floyd online. Roger Waters.2007. 11 April 2007 <http://www.pinkfloydonline.com/bio_roger.html>

pink floyd online. Syd Barrett.2007. 26 April 2007 <http://www.pinkfloydonline.com/bio_syd.html>

pink floyd online. Nick Mason.2007. 9 April 2007 <http://www.pinkfloydonline.com/bio_nick.html>

pink floyd online. David Gilmour.2007. 24 April 2007 <http://www.pinkfloydonline.com/bio_divid.html>

pink floyd online. Richard Wright.2007. 2 April 2007 <http://www.pinkfloydonline.com/bio_richard.html>

pink floyd online. 24 April 2007 <http://www.pinkfloydonline.com/discography.html>

google images. 11 April 2007 <www.google.com/>