El Salvador : Key Economic Indicators (页面存档备份,存于互联网档案馆). In : 2001 Country Reports on Economic Policy and Trade Practices [en ligne]. U.S. Department of State, février 2002 (retrieved 2022-02-04).
El Salvador : Key Economic Indicators (页面存档备份,存于互联网档案馆). In : 2001 Country Reports on Economic Policy and Trade Practices [en ligne]. U.S. Department of State, février 2002 (retrieved 2022-02-04).