El Salvador. International Center for Development Policy. Commission on United States-Central American Relations.
Cita Chicago (17th ed.)El Salvador. Washington, D.C.: International Center for Development Policy. Commission on United States-Central American Relations.
Cita MLA (9th ed.)El Salvador. International Center for Development Policy. Commission on United States-Central American Relations.
Atenció: Aquestes cites poden no estar 100% correctes.