Schapiro, L. (1970). The government and politics of the Soviet Union (4th ed.). Hutchinson.
Dyfyniad Arddull ChicagoSchapiro, Leonard. The Government and Politics of the Soviet Union. 4th ed. London: Hutchinson, 1970.
Dyfyniad MLASchapiro, Leonard. The Government and Politics of the Soviet Union. 4th ed. Hutchinson, 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.