نت برگ

ماخذ

Chadwick, George Whitefield. Harmony. A Course of Study. Chadwick, George Whitefield. Music theory. First Edition. 1897. 55th Edition. 1922.

ترجمه

چادویک، جورج Whitefield. هارمونی. A Course of Study. چادویک، جورج Whitefield. Music theory. First Edition. 1897. 55th Edition. 1922.