Παραπομπή APA

Delors,Jacques. (1998). Education for the twenty-first century: Issues and prospects. UNESCO.

Παραπομπή Chicago Style

Delors,Jacques. Education for the Twenty-first Century: Issues and Prospects. Paris: UNESCO, 1998.

Παραπομπή MLA

Delors,Jacques. Education for the Twenty-first Century: Issues and Prospects. UNESCO, 1998.