Lua APA (7ú heag.)

(1962). Uses of infinity.

Lua i Stíl Chicago (17ú heag.)

Uses of Infinity. 1962.

Lua MLA (9ú heag.)

Uses of Infinity. 1962.

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