Hold, T. (1965). Mary's Lullaby: Opus 8(b) / Trevor Hold. Universal Edition.
Lua i Stíl Chicago (17ú heag.)Hold, Trevor. Mary's Lullaby: Opus 8(b) / Trevor Hold. London: Universal Edition, 1965.
Lua MLA (8ú heag.)Hold, Trevor. Mary's Lullaby: Opus 8(b) / Trevor Hold. Universal Edition, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.