Dyfyniad APA

Ebel, R. L., & Frisbie, D. A. (1986). Essentials of educational measurement (4th ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Ebel, Robert L., and David A. Frisbie. Essentials of Educational Measurement. 4th ed. Englewood Cliffs, N.J: Prentice-Hall, 1986.

Dyfyniad MLA

Ebel, Robert L., and David A. Frisbie. Essentials of Educational Measurement. 4th ed. Prentice-Hall, 1986.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.