Dyfyniad APA

(1997). Professional development in learning-centered schools. Ohio: National Staff Development Council.

Dyfyniad Arddull Chicago

Professional Development in Learning-centered Schools. Ohio: National Staff Development Council, 1997.

Dyfyniad MLA

Professional Development in Learning-centered Schools. Ohio: National Staff Development Council, 1997.

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