Khavronina, S. Russian as we Speak (4th ed.). Progress Pubishers.
Dyfyniad Arddull ChicagoKhavronina, S.A. Russian as We Speak. 4th ed. Moscow: Progress Pubishers.
Dyfyniad MLAKhavronina, S.A. Russian as We Speak. 4th ed. Progress Pubishers.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.