Lua APA (7ú heag.)

(1989). [Beton]. Beton Prisma.

Lua i Stíl Chicago (17ú heag.)

"[Beton]." Beton Prisma 1989.

Lua MLA (8ú heag.)

"[Beton]." Beton Prisma, 1989.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.