Hirsch, E. (1967). Validity in interpretation. New Haven.
Cita Chicago (17th ed.)Hirsch, E.D. Validity in Interpretation. London: New Haven, 1967.
Cita MLA (9th ed.)Hirsch, E.D. Validity in Interpretation. New Haven, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.