Jacobs, A. (1963). Choral music. Penguin Books.
Chicago-čujuhus (17. p.)Jacobs, Arthur. Choral Music. Londres: Penguin Books, 1963.
MLA-čujuhus (9. p.)Jacobs, Arthur. Choral Music. Penguin Books, 1963.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.