(1977). History of the ussr. Moscow: Progress publishers.
Trích dẫn kiểu ChicagoHistory of the Ussr. Moscow: Progress publishers, 1977.
Deismireacht MLAHistory of the Ussr. Moscow: Progress publishers, 1977.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.