Blood, D. F., & Budd, W. C. (1972). Educational measurement and evaluation. Harper and Row.
Dyfyniad Arddull ChicagoBlood, Don F., and William C. Budd. Educational Measurement and Evaluation. New York: Harper and Row, 1972.
Dyfyniad MLABlood, Don F., and William C. Budd. Educational Measurement and Evaluation. Harper and Row, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.