Dyfyniad APA

Andreas, B. K. (1989). The Vascular flora of the glaciated Allegheny plateau region of Ohio. Ohio State University. College of Biological Sciences.

Dyfyniad Arddull Chicago

Andreas, Barbara K. The Vascular Flora of the Glaciated Allegheny Plateau Region of Ohio. Columbus, Ohio: Ohio State University. College of Biological Sciences, 1989.

Dyfyniad MLA

Andreas, Barbara K. The Vascular Flora of the Glaciated Allegheny Plateau Region of Ohio. Ohio State University. College of Biological Sciences, 1989.

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