Dyfyniad APA

Walther, T. (1997). The world economy. New York: John Wiley and Sons.

Dyfyniad Arddull Chicago

Walther, Ted. The World Economy. New York: John Wiley and Sons, 1997.

Dyfyniad MLA

Walther, Ted. The World Economy. New York: John Wiley and Sons, 1997.

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