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Dyfyniad Arddull ChicagoAlekseeva, Liudmila 1927. U.S. Broadcasting to the Soviet Union. Neww York: Helsinki Watch Committee, 1986.
Dyfyniad MLAAlekseeva, Liudmila 1927. U.S. Broadcasting to the Soviet Union. Helsinki Watch Committee, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.