Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Norma by Bellini, Ħam 21 Mar 2013, Minn (2013/2013), Immexxi minn Anne Bogart,, Surmast Direttur Daniele Rustioni, John F. Kennedy Center for the Performing Arts, Washington D.C., United States