RUMYANT SEV, A. M. (1969). Catagories and laws of the political economy of communism. Progress Publishers.
Dyfyniad Arddull ChicagoRUMYANT SEV, Alexei Matveyevich. Catagories and Laws of the Political Economy of Communism. Moscow: Progress Publishers, 1969.
Dyfyniad MLARUMYANT SEV, Alexei Matveyevich. Catagories and Laws of the Political Economy of Communism. Progress Publishers, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.