Shawn Collins, “History of Affiliate Marketing,” ClickZ, November 10, 2000, http://www.clickz.com/showPage.html?page=832131 (accessed December 2, 2007).
My Turnkey Business, http://www.myturnkeybusiness.com (accessed April 7, 2008).
Stefanie Olsen, “ValueClick Buys Marketer Commission Junction,” CNET, October 10, 2003, http://www.news.com/2100-1024-5090014.html (accessed December 2, 2007).