Foote, H. United States policy towards El Salvador: September 1979-to the present. Washington Office.
Cita Chicago (17th ed.)Foote, Heather. United States Policy Towards El Salvador: September 1979-to the Present. Washington: Washington Office.
Cita MLA (9th ed.)Foote, Heather. United States Policy Towards El Salvador: September 1979-to the Present. Washington Office.
Atenció: Aquestes cites poden no estar 100% correctes.