Dyfyniad APA

Yost, G. (1989). The KGB: The Russian secret police from the days of the czars to the present. Facts on File.

Dyfyniad Arddull Chicago

Yost, Graham. The KGB: The Russian Secret Police from the Days of the Czars to the Present. New York: Facts on File, 1989.

Dyfyniad MLA

Yost, Graham. The KGB: The Russian Secret Police from the Days of the Czars to the Present. Facts on File, 1989.

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