Dyfyniad APA

Convergence. Toronto: International Council for Adult Education.

Dyfyniad Arddull Chicago

Convergence. Toronto: International Council for Adult Education.

Dyfyniad MLA

Convergence. Toronto: International Council for Adult Education.

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