http://www.baidu.com/s?tn=sitehao123&ie=utf-8&bs=%E5%86%85%E9%83%A8%E5%AE%A1%E8%AE%A1%E8%A6%81%E5%A4%84%E7%90%86%E5%A5%BD%E5%87%A0%E4%B8%AA%E6%96%B9%E9%9D%A2%E7%9A%84%E5%85%B3%E7%B3%BB&f=8&rsv_bp=1&wd=internal+audit+outsourcing&rsv_sug3=17&rsv_sug=0&rsv_sug1=14&rsv_sug4=795&inputT=16453
外文资料很多