Lua APA (7ú heag.)

, N. (1991). Britain in 2010: The PSI Report (3.). PSI Publishing.

Lua i Stíl Chicago (17ú heag.)

, Northcott. Britain in 2010: The PSI Report. 3. London: PSI Publishing, 1991.

Lua MLA (9ú heag.)

, Northcott. Britain in 2010: The PSI Report. 3. PSI Publishing, 1991.

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