Dyfyniad APA

pk002949: Friends of the Earth, Let's call out Now.

Dyfyniad Arddull Chicago

Pk002949: Friends of the Earth, Let's Call Out Now.

Dyfyniad MLA

Pk002949: Friends of the Earth, Let's Call Out Now.

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