Não informado. (1985). Educational Innovation and Information. International Bureau of Education.
Chicago-Zitierstil (17. Ausg.)Não informado. Educational Innovation and Information. Geneva, Suíça: International Bureau of Education, 1985.
MLA-Zitierstil (8. Ausg.)Não informado. Educational Innovation and Information. International Bureau of Education, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.