Ellsworth, P. T. (1969). The international economy (4th ed.). Macmillan.
Dyfyniad Arddull ChicagoEllsworth, Paul Theodore. The International Economy. 4th ed. NewYork: Macmillan, 1969.
Dyfyniad MLAEllsworth, Paul Theodore. The International Economy. 4th ed. Macmillan, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.