American Economic Association. (1950). Readings in business cycle theory. George Allen and Unwin.
Dyfyniad Arddull ChicagoAmerican Economic Association. Readings in Business Cycle Theory. London: George Allen and Unwin, 1950.
Dyfyniad MLAAmerican Economic Association. Readings in Business Cycle Theory. George Allen and Unwin, 1950.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.