Lahr, J. (1980). Prick up your ears: The biography of Joe Orton. New York: Avon Books.
Lua i Stíl Chicago (17ú heag.)Lahr, John. Prick Up Your Ears: The Biography of Joe Orton. New York: Avon Books, 1980.
Lua MLA (8ú heag.)Lahr, John. Prick Up Your Ears: The Biography of Joe Orton. New York: Avon Books, 1980.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.