ماخذ: I Heard the Bells on Christmas Day. Johnny Marks. I Heard the Bells on Christmas Day composed by Johnny Marks.
ترجمه: من زنگ در روز کریسمس شنید. Words by Henry Wadsworth Longfellow, and adapted by Johnny Marks. جانی مارکس. صفحه موسیقی گروه کر. SATB.