Dyfyniad APA

Gilheany. Minding the Helm. University of North Texas Press.

Dyfyniad Arddull Chicago

Gilheany. Minding the Helm. University of North Texas Press.

Dyfyniad MLA

Gilheany. Minding the Helm. University of North Texas Press.

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