Lua APA (7ú heag.)

(2000). Urban Systems.

Lua i Stíl Chicago (17ú heag.)

Urban Systems. Duisburg, 2000.

Lua MLA (8ú heag.)

Urban Systems. 2000.

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