Dyfyniad APA

New England Regional Planning Commission. (1939). Problem of the roadside.

Dyfyniad Arddull Chicago

New England Regional Planning Commission. Problem of the Roadside. Boston, Mass, 1939.

Dyfyniad MLA

New England Regional Planning Commission. Problem of the Roadside. 1939.

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