Dyfyniad APA

(1953). Farm forestry extension: What it is and how it works / W.K. Williams.

Dyfyniad Arddull Chicago

Farm Forestry Extension: What It Is and How It Works / W.K. Williams. 1953.

Dyfyniad MLA

Farm Forestry Extension: What It Is and How It Works / W.K. Williams. 1953.

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