Dyfyniad APA

Plants, People, Planet | Wiley. Cambridge University Press.

Dyfyniad Arddull Chicago

Plants, People, Planet | Wiley. Cambridge University Press.

Dyfyniad MLA

Plants, People, Planet | Wiley. Cambridge University Press.

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