Dyfyniad APA

Schubert. Working the System. Cornell University Press.

Dyfyniad Arddull Chicago

Schubert. Working the System. Cornell University Press.

Dyfyniad MLA

Schubert. Working the System. Cornell University Press.

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