Engel, H. (1961). The sixteenth-century part song: In Italy, France, England and Spain. Arno Volk.
Citazione stile Chigago Style (17a edizione)Engel, Hans. The Sixteenth-century Part Song: In Italy, France, England and Spain. Colonia: Arno Volk, 1961.
Citatione MLA (9a ed.)Engel, Hans. The Sixteenth-century Part Song: In Italy, France, England and Spain. Arno Volk, 1961.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.