Foote, H. United States policy towards El Salvador: September 1979-to the present. Washington Office.
Chicago-referens (17:e uppl.)Foote, Heather. United States Policy Towards El Salvador: September 1979-to the Present. Washington: Washington Office.
MLA-referens (9:e uppl.)Foote, Heather. United States Policy Towards El Salvador: September 1979-to the Present. Washington Office.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.