Bridge, G., & Watson, S. (2000). A companion to the city. Blackwell.
Lua i Stíl Chicago (17ú heag.)Bridge, Gary, agus Sophie Watson. A Companion to the City. Oxford, UK ; Malden, Mass.: Blackwell, 2000.
Lua MLA (8ú heag.)Bridge, Gary, agus Sophie Watson. A Companion to the City. Blackwell, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.