Izvornik: The Shorter New Oxford Book of Carols. De Matin Ai Rescountra Lou Trin. Clifford Bartlett. Voice sheet music. A Cappella sheet music.
Prijevod: Kraći New Oxford Knjiga pjesama. Berger, Shake Your dubokog sna. Glas note. Cappella note. Napredan. Andrew Parrott.
