Dyfyniad APA

Ethos 7-12 (Web edition.). [Victorian Association of Social Studies Teachers].

Dyfyniad Arddull Chicago

Ethos 7-12. Web edition. Richmond, Victoria: [Victorian Association of Social Studies Teachers].

Dyfyniad MLA

Ethos 7-12. Web edition. [Victorian Association of Social Studies Teachers].

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