Dyfyniad APA

(2002). Stopping illegal, unreported and unregulated fishing.

Dyfyniad Arddull Chicago

Stopping Illegal, Unreported and Unregulated Fishing. 2002.

Dyfyniad MLA

Stopping Illegal, Unreported and Unregulated Fishing. 2002.

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