Day ,Gary. (2001). Class. Routledge.
Dyfyniad Arddull ChicagoDay ,Gary. Class. London: Routledge, 2001.
Dyfyniad MLADay ,Gary. Class. Routledge, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
Day ,Gary. (2001). Class. Routledge.
Dyfyniad Arddull ChicagoDay ,Gary. Class. London: Routledge, 2001.
Dyfyniad MLADay ,Gary. Class. Routledge, 2001.