Não informado. (2015). European Economy. European Commission.
Lua i Stíl Chicago (17ú heag.)Não informado. European Economy. Luxembourg: European Commission, 2015.
Lua MLA (8ú heag.)Não informado. European Economy. European Commission, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.