Barker, H. (2016). Howard Barker: Plays nine. Oberon Books.
Lua i Stíl Chicago (17ú heag.)Barker, Howard. Howard Barker: Plays Nine. London: Oberon Books, 2016.
Lua MLA (9ú heag.)Barker, Howard. Howard Barker: Plays Nine. Oberon Books, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.