Não informado. (1987). NEED: News environment energy development. Unit of Documentation and Liaison on Ecodevelopment.
Lua i Stíl Chicago (17ú heag.)Não informado. NEED: News Environment Energy Development. Paris: Unit of Documentation and Liaison on Ecodevelopment, 1987.
Lua MLA (8ú heag.)Não informado. NEED: News Environment Energy Development. Unit of Documentation and Liaison on Ecodevelopment, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.