Dyfyniad APA

(2011). WTO-trade in goods. Martinus Nijhoff Publishers.

Dyfyniad Arddull Chicago

WTO-trade in Goods. Leiden: Martinus Nijhoff Publishers, 2011.

Dyfyniad MLA

WTO-trade in Goods. Martinus Nijhoff Publishers, 2011.

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