Dyfyniad APA

J.Light Richard & LIGHT, R. J. [. (1983). Evaluation studies: Review annual vol. 8. Sage Pub.

Dyfyniad Arddull Chicago

J.Light Richard and Richard J. [Ed.] LIGHT. Evaluation Studies: Review Annual Vol. 8. London: Sage Pub, 1983.

Dyfyniad MLA

J.Light Richard and Richard J. [Ed.] LIGHT. Evaluation Studies: Review Annual Vol. 8. Sage Pub, 1983.

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