Dyfyniad APA

Robey, R. W. (1934). Roosevelt versus recovery. Harper.

Dyfyniad Arddull Chicago

Robey, Ralph West. Roosevelt Versus Recovery. New York: Harper, 1934.

Dyfyniad MLA

Robey, Ralph West. Roosevelt Versus Recovery. Harper, 1934.

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