Dyfyniad APA

Hedges, W. D. (1969). Evaluation in the elementary school. Holt, Rinehart and Winston.

Dyfyniad Arddull Chicago

Hedges, William D. Evaluation in the Elementary School. New York: Holt, Rinehart and Winston, 1969.

Dyfyniad MLA

Hedges, William D. Evaluation in the Elementary School. Holt, Rinehart and Winston, 1969.

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