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.
Chicago-referens (17:e uppl.)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.
MLA-referens (9:e uppl.)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.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.