Source et copyright
Source: The OSCE's Chairman-in-Office in 2003, Jaap de Hoop Scheffer and the Permanent Council Chairman, Ambassador Justus de Visser. Vienne: Organisation pour la sécurité et la coopération en Europe, 13/01/2003. Couleur.
Organization for Security and Co-operation in Europe, OSCE. [ON-LINE]. [s.l.]: [s.d.]. Disponible sur http://www.osce.org/index.php.
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