Dyfyniad APA

(2006). Direction of Trade StatisticsYear book 2006. International monetary Fund.

Dyfyniad Arddull Chicago

Direction of Trade StatisticsYear Book 2006. International monetary Fund, 2006.

Dyfyniad MLA

Direction of Trade StatisticsYear Book 2006. International monetary Fund, 2006.

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