Não informado. (1961). Development Assistance. Organization for Economic Co-operation and Development.
Lua i Stíl Chicago (17ú heag.)Não informado. Development Assistance. Paris: Organization for Economic Co-operation and Development, 1961.
Lua MLA (8ú heag.)Não informado. Development Assistance. Organization for Economic Co-operation and Development, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.