International Council for Educational Media. (1971). Educational media international. International Council for Educational Media.
Cita Chicago (17th ed.)International Council for Educational Media. Educational Media International. London: International Council for Educational Media, 1971.
Cita MLA (8th ed.)International Council for Educational Media. Educational Media International. International Council for Educational Media, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.