Melton, J., & McGregor, A. P. (2010). Singing in Musical Theater: The Training of Singers and Actors. Skyhorse Publishing Company, Incorporated.
Lua i Stíl Chicago (17ú heag.)Melton, Joan, agus Angela Punch McGregor. Singing in Musical Theater: The Training of Singers and Actors. New York: Skyhorse Publishing Company, Incorporated, 2010.
Lua MLA (9ú heag.)Melton, Joan, agus Angela Punch McGregor. Singing in Musical Theater: The Training of Singers and Actors. Skyhorse Publishing Company, Incorporated, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.