Izvornik: New Piano School Band 4. Regen und Regenbogen. Piano Method sheet music. Piano Solo sheet music. Zdena Janzurova. For piano. P 5033.
Prijevod: Klavir Metoda note. Piano Solo note. New Piano School Band 4 composed by Milada Borova. Za glasovirom. Ovo izdanje. Piano Glazba. Grade 2-3.