Miller, D. G. (2008). Resonance in singing: Voice building through acoustic feedback. Inside View Press.
Lua i Stíl Chicago (17ú heag.)Miller, Donald Gray. Resonance in Singing: Voice Building Through Acoustic Feedback. Princeton, NJ: Inside View Press, 2008.
Lua MLA (9ú heag.)Miller, Donald Gray. Resonance in Singing: Voice Building Through Acoustic Feedback. Inside View Press, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.