Dyfyniad APA

Scagel, R. (1969). Plant diversity: An evolutionary approch. Wadsworth Publishers.

Dyfyniad Arddull Chicago

Scagel, R.F. Plant Diversity: An Evolutionary Approch. Belmount: Wadsworth Publishers, 1969.

Dyfyniad MLA

Scagel, R.F. Plant Diversity: An Evolutionary Approch. Wadsworth Publishers, 1969.

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