Drigo, R., & Sandoval, M. (1957). Valse bluette: For voice and piano. G. Schirmer.
Lua i Stíl Chicago (17ú heag.)Drigo, Riccardo, agus Miguel Sandoval. Valse Bluette: For Voice and Piano. New York: G. Schirmer, 1957.
Lua MLA (9ú heag.)Drigo, Riccardo, agus Miguel Sandoval. Valse Bluette: For Voice and Piano. G. Schirmer, 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.