Ortolani, R. (1965). The ecco waltz. Edward B. Marks Music.
Lua i Stíl Chicago (17ú heag.)Ortolani, Riz. The Ecco Waltz. New York: Edward B. Marks Music, 1965.
Lua MLA (9ú heag.)Ortolani, Riz. The Ecco Waltz. Edward B. Marks Music, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.