(1982). N.I. Bukharin with Mariya Ulanova, Lenin's sister, in the offices of Pravda, May 1924.
Chicago-viite (17. p.)N.I. Bukharin with Mariya Ulanova, Lenin's Sister, in the Offices of Pravda, May 1924. 1982.
MLA-viite (9. p.)N.I. Bukharin with Mariya Ulanova, Lenin's Sister, in the Offices of Pravda, May 1924. 1982.
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