Lyman, H. B. (1991). Test scores and what they mean (5th ed.). Prentice Hall.
Cita Chicago (17th ed.)Lyman, Howard B. Test Scores and What They Mean. 5th ed. Englewood Cliffs, N.J: Prentice Hall, 1991.
Cita MLA (9th ed.)Lyman, Howard B. Test Scores and What They Mean. 5th ed. Prentice Hall, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.