Highet, G. (1954). The art of teaching. Knopf.
Cita Chicago (17th ed.)Highet, Gilbert. The Art of Teaching. New York: Knopf, 1954.
Cita MLA (9th ed.)Highet, Gilbert. The Art of Teaching. Knopf, 1954.
Atenció: Aquestes cites poden no estar 100% correctes.