Dyfyniad APA

Lawrence, G. H. M. (1951). Taxonomy of vascular plants: By George H. M. Lawrence. The Macmillan.

Dyfyniad Arddull Chicago

Lawrence, George H. M. Taxonomy of Vascular Plants: By George H. M. Lawrence. New York: The Macmillan, 1951.

Dyfyniad MLA

Lawrence, George H. M. Taxonomy of Vascular Plants: By George H. M. Lawrence. The Macmillan, 1951.

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