Lua APA (7ú heag.)

(1997). Building The Future. E & FN Spon.

Lua i Stíl Chicago (17ú heag.)

Building The Future. E & FN Spon, 1997.

Lua MLA (8ú heag.)

Building The Future. E & FN Spon, 1997.

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