Não informado. (1980). Economie prospective internationale. Centre d' Etudes Prospectives et d' Informations Internationales.
Lua i Stíl Chicago (17ú heag.)Não informado. Economie Prospective Internationale. Paris: Centre d' Etudes Prospectives et d' Informations Internationales, 1980.
Lua MLA (8ú heag.)Não informado. Economie Prospective Internationale. Centre d' Etudes Prospectives et d' Informations Internationales, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
