Marty, Laurent (11 October 2004). "Leoš Janácek, Jenufa". resmusica.com (in French). Archived from the original on 30 July 2019. Retrieved 30 July 2019.
stagedoor.it
"Nicolas Joel". stagedoor.it. 2014. Retrieved 26 June 2019.
Marty, Laurent (11 October 2004). "Leoš Janácek, Jenufa". resmusica.com (in French). Archived from the original on 30 July 2019. Retrieved 30 July 2019.