freeze, g. (1997). Russia a history. Oxford.
Chicago-čujuhus (17. p.)freeze, gregory. Russia a History. New York: Oxford, 1997.
MLA-čujuhus (9. p.)freeze, gregory. Russia a History. Oxford, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.