(1981). Contemporary Macroeconomics / Rs. Jones & J.o.n.perkins. Prentice-Hall.
Dyfyniad Arddull ChicagoContemporary Macroeconomics / Rs. Jones & J.o.n.perkins. Prentice-Hall, 1981.
Dyfyniad MLAContemporary Macroeconomics / Rs. Jones & J.o.n.perkins. Prentice-Hall, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.