ماخذ: The 20th Century - Elementary Level. Little Hedgehog. Various. Piano Solo sheet music. The 20th Century - Elementary Level.
ترجمه: قرن 20th - سطح ابتدایی. مختلف. نت پیانو. قرن 20th - سطح ابتدایی. 33 Piano Pieces by BÃla BartÃk, Dmitri Kabalevsky and Dmitri Shos.