Merezhkovsky, D. S. (1931). The romance of Leonardo da Vinci. Cassell.
Lua i Stíl Chicago (17ú heag.)Merezhkovsky, Dmitry Sergeyevich. The Romance of Leonardo Da Vinci. London: Cassell, 1931.
Lua MLA (8ú heag.)Merezhkovsky, Dmitry Sergeyevich. The Romance of Leonardo Da Vinci. Cassell, 1931.
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