Gaya APA

Delors, J, , D. (1998). Learning: The treasure within: Report UNESCO of the International Commission on Education for the twenty-first Century. . Paris: Paris UNESCO Publishing.

Gaya MLA

Delors, Jacques, , Dkk.. "Learning: The treasure within: Report UNESCO of the International Commission on Education for the twenty-first Century. ". Paris: Paris UNESCO Publishing, 1998. Buku.