Grunfeld, A., & Howorth, W. (1937). A broken melody: For male voices, T.T.B.B. Gamble Hinged Music.
Lua i Stíl Chicago (17ú heag.)Grunfeld, Alfred, agus Wayne Howorth. A Broken Melody: For Male Voices, T.T.B.B. Chicago, Ill: Gamble Hinged Music, 1937.
Lua MLA (9ú heag.)Grunfeld, Alfred, agus Wayne Howorth. A Broken Melody: For Male Voices, T.T.B.B. Gamble Hinged Music, 1937.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.