Dyfyniad APA

Parsons. Captain Jack Helm. University of North Texas Press.

Dyfyniad Arddull Chicago

Parsons. Captain Jack Helm. University of North Texas Press.

Dyfyniad MLA

Parsons. Captain Jack Helm. University of North Texas Press.

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