Delors,Jacques. (1998). Education for the twenty-first century: Issues and prospects. UNESCO.
Chicago-stil citatDelors,Jacques. Education for the Twenty-first Century: Issues and Prospects. Paris: UNESCO, 1998.
MLA-referensDelors,Jacques. Education for the Twenty-first Century: Issues and Prospects. UNESCO, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.