Cutten, G. B. (1926). The threat of leisure. Yale University Press; [etc., etc.].
Dyfyniad Arddull ChicagoCutten, George Barton. The Threat of Leisure. New Haven: Yale University Press; [etc., etc.], 1926.
Dyfyniad MLACutten, George Barton. The Threat of Leisure. Yale University Press; [etc., etc.], 1926.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.