Catherine Yang (8 February 2004). "MicroStrategy's Second Wind". Businessweek.com. Bloomberg. Archived from the original on October 25, 2012. Retrieved 25 January 2013.
Catherine Yang (8 February 2004). "MicroStrategy's Second Wind". Businessweek.com. Bloomberg. Archived from the original on October 25, 2012. Retrieved 25 January 2013.