Dyfyniad APA

(1973). Evaluation and asessment of educational research Block6. Open University Press.

Dyfyniad Arddull Chicago

Evaluation and Asessment of Educational Research Block6. Open University Press, 1973.

Dyfyniad MLA

Evaluation and Asessment of Educational Research Block6. Open University Press, 1973.

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