United States. Consulate (La Unión, El Salvador). (1960). Despatches from United States consuls in La Union, 1854-1887. National Archives, National Archives and Records Service, General Services Administration.
Chicago-referens (17:e uppl.)United States. Consulate (La Unión, El Salvador). Despatches from United States Consuls in La Union, 1854-1887. Washington: National Archives, National Archives and Records Service, General Services Administration, 1960.
MLA-referens (8:e uppl.)United States. Consulate (La Unión, El Salvador). Despatches from United States Consuls in La Union, 1854-1887. National Archives, National Archives and Records Service, General Services Administration, 1960.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.