Dyfyniad APA

Patent and Trade Mark Reporter (1998). Patent & Trade Mark Reporter.

Dyfyniad Arddull Chicago

Patent and Trade Mark Reporter (1998). Delhi: Patent & Trade Mark Reporter.

Dyfyniad MLA

Patent and Trade Mark Reporter (1998). Patent & Trade Mark Reporter.

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