[2]Francisco A. Marcos-Marín, Cantar de Mio Cid. Edición. (Introducción, Edición Crítica, Versión en Español Moderno y Notas). Madrid: Biblioteca Nueva, 1997.
Penguin Classics, "The Poem of the Cid: A Bilingual Edition with Parallel Text", 1975, Translated by Rita Hamilton, "[1]Archived 2014-11-08 at the Wayback Machine", 1/5/2010
recording with reconstructed mediaeval pronunciation can be accessed here, reconstructed according to contemporary phonetics (by Jabier Elorrieta)
Penguin Classics, "The Poem of the Cid: A Bilingual Edition with Parallel Text", 1975, Translated by Rita Hamilton, "[1]Archived 2014-11-08 at the Wayback Machine", 1/5/2010