@misc{Berton_Henri-Montan_(1767-1844)_Délia,
 author={Berton, Henri-Montan (1767-1844)},
 howpublished={online},
 publisher={Chez Mad[a]me Duhan & Cie},
 language={fre},
 title={Délia & Verdikan, opéra en un acte...},
 type={druk muzyczny},
}