Não informado. (1972). Prospects: Comparative journal of curriculum, learning and assessment. Unesco.
Chicago-referens (17:e uppl.)Não informado. Prospects: Comparative Journal of Curriculum, Learning and Assessment. Paris: Unesco, 1972.
MLA-referens (8:e uppl.)Não informado. Prospects: Comparative Journal of Curriculum, Learning and Assessment. Unesco, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.