[1] ProQuest: http://proquest.umi.com

　　[2] Strategic the Management Journal: http://www3.interscience.wiley.com/cgi-bin/jhome/2144

　　[3] Web of Science (citation source): http://isi01.isiknowledge.com/portal.cgi

　　[4] Google Scholar (citation source): http://scholar.google.com

　　[5] Mergent Online (International company data): http://www.mergentonline.com/compsearch.asp

　　[6]北京市精品课程国际企业管理网上链接: http://jpkc.uibe.edu.cn/jingpin/jpkc2006/courses/mgt301j/index.htm