Avery, R. (1977). The death worms of Kratos. Severn House : [Distributed by Hutchinson].
Lua i Stíl Chicago (17ú heag.)Avery, Richard. The Death Worms of Kratos. London: Severn House : [Distributed by Hutchinson], 1977.
Lua MLA (8ú heag.)Avery, Richard. The Death Worms of Kratos. Severn House : [Distributed by Hutchinson], 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.