7Dominick Salvatore, Keld Laursen, (2005) "Revealed Comparative Advantage and the Alternatives as Measures of International Specialization," <http://www.druid.dk/wp/pdffiles/98 -30.pdf >(访问时间:2005年7月5日).
8Mayumi and Fukumoto, (2005) "Impact of Economic and Technical Cooperation of Northeast Asian Countries," <http://www. ide.go.jp/English/Publish/Apec/pdf/apec12_21st_01.pdf> (访问时间:2005年7月5日) .