Vlak, K. (1992). Quatro variazioni musicali: Con tema populare ; for band / Kees Vlak (Condensed score.). Molenaar.
Lua i Stíl Chicago (17ú heag.)Vlak, Kees. Quatro Variazioni Musicali: Con Tema Populare ; for Band / Kees Vlak. Condensed score. Wormerveer, Holland: Molenaar, 1992.
Lua MLA (8ú heag.)Vlak, Kees. Quatro Variazioni Musicali: Con Tema Populare ; for Band / Kees Vlak. Condensed score. Molenaar, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.