Soboleva, O. Y. (2008). The silver mask: Harlequinade in the symbolist poetry of Blok and Belyi. Peter Lang.
Lua i Stíl Chicago (17ú heag.)Soboleva, Olga Yu. The Silver Mask: Harlequinade in the Symbolist Poetry of Blok and Belyi. Oxford ; New York: Peter Lang, 2008.
Lua MLA (9ú heag.)Soboleva, Olga Yu. The Silver Mask: Harlequinade in the Symbolist Poetry of Blok and Belyi. Peter Lang, 2008.
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