Katkov, G. (1969). The trial of Bukharin. stein and Day.
Cita Chicago (17th ed.)Katkov, George. The Trial of Bukharin. New York: stein and Day, 1969.
Cita MLA (9th ed.)Katkov, George. The Trial of Bukharin. stein and Day, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.