Katkov, G. (1967). Russia 1917: The February revolution. London: Longmans.
Chicago Style CitationKatkov, George. Russia 1917: The February Revolution. London: Longmans, 1967.
Cita MLAKatkov, George. Russia 1917: The February Revolution. London: Longmans, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.