ماخذ: Lullabies of the world. Various. Lullabies of the world composed by Various. Edited by Reijo Kekkonen. Liederprojekt. CA.240600.
ترجمه: مختلف. آهنگ ها پروژه. Book with CD. 218 pages. منتشر شده توسط Carus ورلاگ. This custom has existed since the earliest days of mankind.