ماخذ: Ed Hughes. Ed Hughes. Louise Mott. The Sibyl of Cumae. Sheet Music. Mezzo-Soprano. Ensemble. ENS. Published 2001.
ترجمه: اد هیوز. نت موسیقی. میان صدا. با هم. اد هیوز. For Mezzo-Soprano, Flute, Clarinet, Piano, Percussion, Violin, Cello and Contrabassoon.