Não informado. (2000). European Urban and Regional Studies. Longman Group.
Lua i Stíl Chicago (17ú heag.)Não informado. European Urban and Regional Studies. Harlow, Inglaterra: Longman Group, 2000.
Lua MLA (8ú heag.)Não informado. European Urban and Regional Studies. Longman Group, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.