美国驻美洲国家组织常驻代表: permanent representative of the united states of america to the organization of american statespermanent representative of u.s.a to oaspermanent representative of u.s.a to the organization
美洲国家组织美洲统计训练中心: inter-american statistical training centre of the organization of american states
联合国同美洲国家组织的合作: cooperation between the united nations and the organization of american states
