Dyfyniad APA

txt000286: Friends of the Earth, Walk for a (nu)clear world.

Dyfyniad Arddull Chicago

Txt000286: Friends of the Earth, Walk for a (nu)clear World.

Dyfyniad MLA

Txt000286: Friends of the Earth, Walk for a (nu)clear World.

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