Raphael, D., & Winch, D. S. (1997). Three Great Economists: Smith, Malthus, Keynes. Oxford University.
Dyfyniad Arddull ChicagoRaphael, D.D, and Donald Skidelsky Winch. Three Great Economists: Smith, Malthus, Keynes. Oxford: Oxford University, 1997.
Dyfyniad MLARaphael, D.D, and Donald Skidelsky Winch. Three Great Economists: Smith, Malthus, Keynes. Oxford University, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.