Forbes, C. (1990). Shockwave. Guild.
Lua i Stíl Chicago (17ú heag.)Forbes, Colin. Shockwave. London: Guild, 1990.
Lua MLA (9ú heag.)Forbes, Colin. Shockwave. Guild, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.