Lua APA (7ú heag.)

Murdin Pual & Allen, D. (1979). Catalogue of the universe. Crown Publishers.

Lua i Stíl Chicago (17ú heag.)

Murdin Pual agus David Allen. Catalogue of the Universe. New York: Crown Publishers, 1979.

Lua MLA (9ú heag.)

Murdin Pual agus David Allen. Catalogue of the Universe. Crown Publishers, 1979.

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