Não informado. (2003). Journal of economic growth. National Chamber Foundation.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Economic Growth. Washington: National Chamber Foundation, 2003.
Lua MLA (8ú heag.)Não informado. Journal of Economic Growth. National Chamber Foundation, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.