Shapero, H. (1953). Two psalms: For mixed chorus (S. A. T. B. a cappella). Southern Music Pub.
Lua i Stíl Chicago (17ú heag.)Shapero, Harold. Two Psalms: For Mixed Chorus (S. A. T. B. a Cappella). New York: Southern Music Pub, 1953.
Lua MLA (9ú heag.)Shapero, Harold. Two Psalms: For Mixed Chorus (S. A. T. B. a Cappella). Southern Music Pub, 1953.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.