Dyfyniad APA

(1996). Red lists of biotopes, flora, and fauna of the trilateral Wadden Sea area, 1995. Bonn-Bad Godesberg, Germany: Bundesamt fur Naturschutz.

Dyfyniad Arddull Chicago

Red Lists of Biotopes, Flora, and Fauna of the Trilateral Wadden Sea Area, 1995. Bonn-Bad Godesberg, Germany: Bundesamt fur Naturschutz, 1996.

Dyfyniad MLA

Red Lists of Biotopes, Flora, and Fauna of the Trilateral Wadden Sea Area, 1995. Bonn-Bad Godesberg, Germany: Bundesamt fur Naturschutz, 1996.

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