Spulber, N. (1962). The Soviet economy: Structure, principles, problems. New York: W. W. Norton.
Dyfyniad Arddull ChicagoSpulber, Nicolas. The Soviet Economy: Structure, Principles, Problems. New York: W. W. Norton, 1962.
Dyfyniad MLASpulber, Nicolas. The Soviet Economy: Structure, Principles, Problems. New York: W. W. Norton, 1962.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.