Dyfyniad APA

DITTMER,Howard.J. (1964). PHYLOGENY AND FORM IN THE PLANT KINGDOM. D.VAN NOSTRAND CO.

Dyfyniad Arddull Chicago

DITTMER,Howard.J. PHYLOGENY AND FORM IN THE PLANT KINGDOM. TORONTO: D.VAN NOSTRAND CO, 1964.

Dyfyniad MLA

DITTMER,Howard.J. PHYLOGENY AND FORM IN THE PLANT KINGDOM. D.VAN NOSTRAND CO, 1964.

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