freeze, g. (1997). Russia a history. Oxford.
芝加哥风格引文freeze, gregory. Russia a History. New York: Oxford, 1997.
MLA引文freeze, gregory. Russia a History. Oxford, 1997.
警告：这些引文格式不一定是100％准确.
APA引文
freeze, g. (1997). Russia a history. Oxford.
芝加哥风格引文freeze, gregory. Russia a History. New York: Oxford, 1997.
MLA引文freeze, gregory. Russia a History. Oxford, 1997.