Penhall, J. (2008). Joe Penhall: Plays Two. Methuen Drama.
Lua i Stíl Chicago (17ú heag.)Penhall, Joe. Joe Penhall: Plays Two. London: Methuen Drama, 2008.
Lua MLA (9ú heag.)Penhall, Joe. Joe Penhall: Plays Two. Methuen Drama, 2008.
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