Forbes, C. (1988). Deadlock. Pan Books.
Lua i Stíl Chicago (17ú heag.)Forbes, Colin. Deadlock. Collins: Pan Books, 1988.
Lua MLA (8ú heag.)Forbes, Colin. Deadlock. Pan Books, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.