Staton, J. F. (1942). Sweet singing in the choir: A handbook of choral technique. Clarke, Irwin & company limited.
Lua i Stíl Chicago (17ú heag.)Staton, J. Frederic. Sweet Singing in the Choir: A Handbook of Choral Technique. Toronto: Clarke, Irwin & company limited, 1942.
Lua MLA (8ú heag.)Staton, J. Frederic. Sweet Singing in the Choir: A Handbook of Choral Technique. Clarke, Irwin & company limited, 1942.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.