Cita APA (7th ed.)

International Commission on the Development of Education. (1971). [Studies]. Unesco :.

Cita Chicago (17th ed.)

International Commission on the Development of Education. [Studies]. [S.l.]: Unesco :, 1971.

Cita MLA (8th ed.)

International Commission on the Development of Education. [Studies]. Unesco :, 1971.

Atenció: Aquestes cites poden no estar 100% correctes.