Macdonnell, J. E. (1979). The trap (Classic ed.). Horwitz.
Lua i Stíl Chicago (17ú heag.)Macdonnell, J. E. The Trap. Classic ed. Hong Kong: Horwitz, 1979.
Lua MLA (8ú heag.)Macdonnell, J. E. The Trap. Classic ed. Horwitz, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.