(EN) A. Nove, 4, in Reviewed work: Bukharin and the Bolshevik Revolution. A Political Biography 1888-1938, Stephen F. Cohen, Soviet Studies, vol. 26, 1974, pp. 614–616, JSTOR150682.
(EN) A. Nove, 4, in Reviewed work: Bukharin and the Bolshevik Revolution. A Political Biography 1888-1938, Stephen F. Cohen, Soviet Studies, vol. 26, 1974, pp. 614–616.
(EN) Stephen F Cohen, The New American Cold War, in The Nation, 10 luglio 2006. URL consultato il 10 agosto 2021 (archiviato dall'url originale il 10 gennaio 2018).