Shaffer, P. (1979). Three plays: Five finger exercise, shrivings, equus. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Shaffer, Peter. Three Plays: Five Finger Exercise, Shrivings, Equus. Harmondsworth: Penguin Books, 1979.
Lua MLA (8ú heag.)Shaffer, Peter. Three Plays: Five Finger Exercise, Shrivings, Equus. Penguin Books, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.