［6］Jupiter Research,“Internet Travel”June 2003

［7］2004 TNS Plog American Traveler Survey

［8］2004 TNS Plog American Traveler Survey

［9］Automotive News,May 24,2004,p25

［10］參考JD Power and Associates,November 8,2004。

［11］JDPower,“2002 New AutoshopperCom Study”(JD Power,West Lake Village,CA),October 2002

［12］由于數(shù)據(jù)獲取方法存在著差異，所以就表2—4中由JD Power 所調(diào)研的數(shù)據(jù)而言，2000年和2001年的數(shù)據(jù)與2004年的數(shù)據(jù)不具有可比性。

［13］Maney,Kevin“The economy according to eBay,”USATodaycom,https://wwwusatodaycom/money/industries/retail/20031229ebaycover_xhtm December 2003

［14］“Four Nation Survey Shows Widespread but Different Levels of Internet Use for Health Purposes”Health Care News,v2,No11 (May 2002)Harris Interactive,2002

［15］“Four Nation Survey Shows Widespread but Different Levels of Internet Use for Health Purposes”Health Care News,v2,No11 (May 2002)Harris Interactive,2002

［16］“Four Nation Survey Shows Widespread but Different Levels of Internet Use for Health Purposes”Health Care News,v2,No11 (May 2002)Harris Interactive,2002

［17］Manhattan Research,Cybercitizen Health,vol 2,2002

［18］這是在美國食品藥品管理局（FDA）對250位普通的實踐人員和250位專家所進行的一項研究中得出的結(jié)論（Ad Age,January 20,2003,p6）。