Lyman, H. B. (1971). Test scores and what they mean (2nd ed.). Prentice-hall.
Dyfyniad Arddull ChicagoLyman, Howard B. Test Scores and What They Mean. 2nd ed. New Jersey: Prentice-hall, 1971.
Dyfyniad MLALyman, Howard B. Test Scores and What They Mean. 2nd ed. Prentice-hall, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.