JACOBSHAGEN, Arnold. Michele Girardi: Puccini. His International Art. Die Musikforschung, [S. l.], v. 56, n. 1, p. 94–95, 2003. DOI: 10.52412/mf.2003.H1.4858. Disponível em: https://mf.journals.qucosa.de/mf/article/view/4858. Acesso em: 19 apr. 2025.