Spevacek, L. S. (1996). The wave of the future: Three-part mixed chorus and piano. Heritage Music Press.
Lua i Stíl Chicago (17ú heag.)Spevacek, Linda Steen. The Wave of the Future: Three-part Mixed Chorus and Piano. [S.l.]: Heritage Music Press, 1996.
Lua MLA (9ú heag.)Spevacek, Linda Steen. The Wave of the Future: Three-part Mixed Chorus and Piano. Heritage Music Press, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.