Thomas Elwyn. (1994). Manager's Casebook. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Thomas Elwyn. Manager's Casebook. London: Penguin Books, 1994.
Lua MLA (9ú heag.)Thomas Elwyn. Manager's Casebook. Penguin Books, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.