Shaffer, P. (1958). Five finger exercise: A play. Samuel French.
Lua i Stíl Chicago (17ú heag.)Shaffer, Peter. Five Finger Exercise: A Play. London: Samuel French, 1958.
Lua MLA (9ú heag.)Shaffer, Peter. Five Finger Exercise: A Play. Samuel French, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.