Unesco, World Confederation of Organizations of the Teaching Profession, Harris, R., & Hahn, C. (1986). The teaching of contemporary world issues: A joint project of Unesco and the World Confederation of Organizations of the Teaching Profession. Unesco.
Chicago Style aipamenaUnesco, World Confederation of Organizations of the Teaching Profession, Robert Harris, and Carole Hahn. The Teaching of Contemporary World Issues: A Joint Project of Unesco and the World Confederation of Organizations of the Teaching Profession. Paris: Unesco, 1986.
MLA aipamenaUnesco, et al. The Teaching of Contemporary World Issues: A Joint Project of Unesco and the World Confederation of Organizations of the Teaching Profession. Unesco, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.