Cita APA (7th ed.)
UNESCO. (1955). World survey of education: Handbook of educational organization and statistics.
Cita Chicago (17th ed.)
UNESCO. World Survey of Education: Handbook of Educational Organization and Statistics. 1955.
Cita MLA (9th ed.)
UNESCO. World Survey of Education: Handbook of Educational Organization and Statistics. 1955.
Atenció: Aquestes cites poden no estar 100% correctes.