Marsh, P. (1985). Robots. Verbo.
Lua i Stíl Chicago (17ú heag.)Marsh, Peter. Robots. Verbo, 1985.
Lua MLA (8ú heag.)Marsh, Peter. Robots. Verbo, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)