Zangger Borch, D. (2007). Daniel Zanggers Borch's Ultimate vocal voyage: The definite method for unleashing the rock, pop or soul singer within you (Ed. 1.). Notfabriken.
Lua i Stíl Chicago (17ú heag.)Zangger Borch, Daniel. Daniel Zanggers Borch's Ultimate Vocal Voyage: The Definite Method for Unleashing the Rock, Pop or Soul Singer Within You. Ed. 1. Bromma, Sweden: Notfabriken, 2007.
Lua MLA (9ú heag.)Zangger Borch, Daniel. Daniel Zanggers Borch's Ultimate Vocal Voyage: The Definite Method for Unleashing the Rock, Pop or Soul Singer Within You. Ed. 1. Notfabriken, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.