Ministerio de Relaciones Exteriores del Perú (2006). "El Orígen" (in Spanish). RREE.gob.pe. Archived from the original on 2006-11-15. Retrieved 2012-12-03.
Ministerio de Relaciones Exteriores del Perú (2006). "El Orígen" (in Spanish). RREE.gob.pe. Archived from the original on 2006-11-15. Retrieved 2012-12-03.