Dyfyniad APA

Seward, A. C. Links with the past in the plant world.

Dyfyniad Arddull Chicago

Seward, A. C. Links with the Past in the Plant World.

Dyfyniad MLA

Seward, A. C. Links with the Past in the Plant World.

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