Não informado. (1972). Prospects: Comparative journal of curriculum, learning and assessment. Unesco.
Lua i Stíl Chicago (17ú heag.)Não informado. Prospects: Comparative Journal of Curriculum, Learning and Assessment. Paris: Unesco, 1972.
Lua MLA (8ú heag.)Não informado. Prospects: Comparative Journal of Curriculum, Learning and Assessment. Unesco, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.