Litvinov, M. M. (1938). Czechoslovakia and the world crisis. International Publishers.
Dyfyniad Arddull ChicagoLitvinov, M. M. Czechoslovakia and the World Crisis. New York: International Publishers, 1938.
Dyfyniad MLALitvinov, M. M. Czechoslovakia and the World Crisis. International Publishers, 1938.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.