Hughes, A. G., & Hughes, E. H. (1960). Education: Some fundamental problems. Longmans.
Cita Chicago (17th ed.)Hughes, A. G., i E. H. Hughes. Education: Some Fundamental Problems. London: Longmans, 1960.
Cita MLA (9th ed.)Hughes, A. G., i E. H. Hughes. Education: Some Fundamental Problems. Longmans, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.