Dyfyniad APA

ebrary, Inc, & Askew, S. (2000). Feedback for learning. RoutledgeFalmer.

Dyfyniad Arddull Chicago

ebrary, Inc, and Sue Askew. Feedback for Learning. London: RoutledgeFalmer, 2000.

Dyfyniad MLA

ebrary, Inc, and Sue Askew. Feedback for Learning. RoutledgeFalmer, 2000.

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