Dyfyniad APA

(1997). Portfolios for teachers in training [videorecording]. Alexandria, VA : Association for Supervision and Curriculum Development.

Dyfyniad Arddull Chicago

Portfolios for Teachers in Training [videorecording]. Alexandria, VA : Association for Supervision and Curriculum Development, 1997.

Dyfyniad MLA

Portfolios for Teachers in Training [videorecording]. Alexandria, VA : Association for Supervision and Curriculum Development, 1997.

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