APA-čujuhus (7. p.)
Helm, E. E. (2013). Melody, harmony, tonality: A book for connoisseurs and amateurs. The Scarecrow Press, Inc..
Chicago-čujuhus (17. p.)
Helm, E. Eugene. Melody, Harmony, Tonality: A Book for Connoisseurs and Amateurs. Lanham, Maryland ; Plymouth, England: The Scarecrow Press, Inc., 2013.
MLA-čujuhus (9. p.)
Helm, E. Eugene. Melody, Harmony, Tonality: A Book for Connoisseurs and Amateurs. The Scarecrow Press, Inc., 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.