@misc{Christoph_Willibald_Gluck_Orpheus:,
 author={Christoph Willibald Gluck},
 howpublished={online},
 publisher={C. F. Peters},
 language={niemiecki},
 language={francuski},
 title={Orpheus: Oper in 3 Akten},
 type={Materiały nutowe},
 keywords={Opera - 18 w., Nuty na chór, Nuty na fortepian},
}