"Cohen, S. F. (1980). Bukharin and the Bolshevik revoution: "a political biography,1888-1938". The University press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Cohen, Stephen F.". Bukharin and the Bolshevik Revoution: "A Political Biography,1888-1938". The University press, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Cohen, Stephen F.". Bukharin and the Bolshevik Revoution: "A Political Biography,1888-1938". The University press, 1980.
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