Shepard, P. (2010). What the fach ?!: The definitive guide for opera singers auditioning and working in Germany, Austria and Switzerland (2. ed., 2010 ed.). What The Fach?! Press.
Chicago-Zitierstil (17. Ausg.)Shepard, Philip. What the Fach ?!: The Definitive Guide for Opera Singers Auditioning and Working in Germany, Austria and Switzerland. 2. ed., 2010 ed. Kansas City, Mo: What The Fach?! Press, 2010.
MLA-Zitierstil (9. Ausg.)Shepard, Philip. What the Fach ?!: The Definitive Guide for Opera Singers Auditioning and Working in Germany, Austria and Switzerland. 2. ed., 2010 ed. What The Fach?! Press, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.