Berger. The Hidden 1970s. Rutgers University Press.
Dyfyniad Arddull ChicagoBerger. The Hidden 1970s. Rutgers University Press.
Dyfyniad MLABerger. The Hidden 1970s. Rutgers University Press.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.