Dyfyniad APA

Zagwijn, W. H. (1960). Aspects of the Pliocene and early Pleistocene vegetation in the Netherlands. Utig.-Mij. "Ernest van Aelst".

Dyfyniad Arddull Chicago

Zagwijn, Waldo Heliodoor. Aspects of the Pliocene and Early Pleistocene Vegetation in the Netherlands. Maastricht: Utig.-Mij. "Ernest van Aelst", 1960.

Dyfyniad MLA

Zagwijn, Waldo Heliodoor. Aspects of the Pliocene and Early Pleistocene Vegetation in the Netherlands. Utig.-Mij. "Ernest van Aelst", 1960.

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