Dyfyniad APA

(1964). Foreign exchange. Switzerland: Swiss Bank Corporation.

Dyfyniad Arddull Chicago

Foreign Exchange. Switzerland: Swiss Bank Corporation, 1964.

Dyfyniad MLA

Foreign Exchange. Switzerland: Swiss Bank Corporation, 1964.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.