Shaffer, P. (2005). Equus (First Scribner paperback edition.). Scribner.
Lua i Stíl Chicago (17ú heag.)Shaffer, Peter. Equus. First Scribner paperback edition. New York, NY: Scribner, 2005.
Lua MLA (9ú heag.)Shaffer, Peter. Equus. First Scribner paperback edition. Scribner, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.