^Steinberg, David (February 12, 1999). "French guitarist to open festival", Albuquerque Journal, p. E3. "[Judicael] Perroy studied with Alberto Ponce, one of the premier guitar instructors in Paris."
^Summerfield, Maurice J. (2002). The Classical Guitar: Its Evolution, Players and Personalities Since 1800 (Blaydon-on-Tyne: Ashley Mark Publishing Co.), p. 228.
^Lichfield, John (January 13, 2003). "Our man in Paris", in: ذي إندبندنت, p. 7. "Olivier [Pilon] was a student at the Ecole Nationale de Musique in Paris. As a disciple of the Spanish classical guitarist, Alberto Ponce."
