Dyfyniad APA

Westveld, R. (1939). Applied silviculture in the United States. Edwards Brothers.

Dyfyniad Arddull Chicago

Westveld, R.H. Applied Silviculture in the United States. Ann Arbor: Edwards Brothers, 1939.

Dyfyniad MLA

Westveld, R.H. Applied Silviculture in the United States. Edwards Brothers, 1939.

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