Evitt, H., & W.W. Syrett. (1966). Manual of foreign exchange (6th ed.). Sir Issac Pitman and Sons.
Dyfyniad Arddull ChicagoEvitt, H.E, and W.W. Syrett. Manual of Foreign Exchange. 6th ed. London: Sir Issac Pitman and Sons, 1966.
Dyfyniad MLAEvitt, H.E, and W.W. Syrett. Manual of Foreign Exchange. 6th ed. Sir Issac Pitman and Sons, 1966.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.