http://www.internetmarketingdefinitions.com/CPA History/revisions of Internet Marketing Definitions/CPA en-us http://www.internetmarketingdefinitions.com/CPA/show?time=.2008-10-05+03%3A28%3A46 Edited by AliceSeba - Sun, 05 Oct 2008 03:28:46 -0400 http://www.internetmarketingdefinitions.com/CPA/show?time=.2007-11-10+04%3A55%3A04 Edited by MelSpier - Sat, 10 Nov 2007 04:55:04 -0500 http://www.internetmarketingdefinitions.com/CPA/show?time=.2007-11-10+04%3A54%3A13 Edited by MelSpier - Sat, 10 Nov 2007 04:54:13 -0500