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9[8]Martin C.Needler,Mexican Politics:the Containment of Conflict,Third Edition,Praeger Publishers,Westport,1995.
10[9]Stephanie R.Golob,"Beyond the Policy Frontier:Canada,Mexico,and the Ideological Origins of NAFTA",World Politics,Vol.55,Iss.3,2003.http://proquest.umi.com/pqdweb? did = 405174641&sid = 9&Fmt =4&clientId = 46275&RQT = 309&VName = PQD
