Barrett, R. (1997). Opening of the mouth: For two vocalists, eleven instrumentalists and electronics ([Partitur].). United Music Publ.
Chicago-Zitierstil (17. Ausg.)Barrett, Richard. Opening of the Mouth: For Two Vocalists, Eleven Instrumentalists and Electronics. [Partitur]. London: United Music Publ, 1997.
MLA-Zitierstil (9. Ausg.)Barrett, Richard. Opening of the Mouth: For Two Vocalists, Eleven Instrumentalists and Electronics. [Partitur]. United Music Publ, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.