International Bureau of Education & Unesco. (1970). Bulletin of the International Bureau of Education. The Bureau.
Cita Chicago (17th ed.)International Bureau of Education i Unesco. Bulletin of the International Bureau of Education. Geneva: The Bureau, 1970.
Cita MLA (8th ed.)International Bureau of Education i Unesco. Bulletin of the International Bureau of Education. The Bureau, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.