Dyfyniad APA

(1957). Farm woodland, 1954 / United States Department of Commerce, Bureau of the Census ; prepared by the Geography Division in cooperation with the Agriculture Division.

Dyfyniad Arddull Chicago

Farm Woodland, 1954 / United States Department of Commerce, Bureau of the Census ; Prepared by the Geography Division in Cooperation with the Agriculture Division. 1957.

Dyfyniad MLA

Farm Woodland, 1954 / United States Department of Commerce, Bureau of the Census ; Prepared by the Geography Division in Cooperation with the Agriculture Division. 1957.

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