Dyfyniad APA
POWERS, S. (1999). AN ANALYSIS OF DEAF PUPILS'EXAMINATION RESULTS IN ORDINARY SCHOOLS IN 1996.
Dyfyniad Arddull Chicago
POWERS, S. AN ANALYSIS OF DEAF PUPILS'EXAMINATION RESULTS IN ORDINARY SCHOOLS IN 1996. 1999.
Dyfyniad MLA
POWERS, S. AN ANALYSIS OF DEAF PUPILS'EXAMINATION RESULTS IN ORDINARY SCHOOLS IN 1996. 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.