Merezhkovsky, D. S., & Guerney, B. G. (1928). The romance of Leonardo da Vinci. The Modern library.
Chicago-viite (17. p.)Merezhkovsky, Dmitry Sergeyevich, ja Bernard Guilbert Guerney. The Romance of Leonardo Da Vinci. New York: The Modern library, 1928.
MLA-viite (9. p.)Merezhkovsky, Dmitry Sergeyevich, ja Bernard Guilbert Guerney. The Romance of Leonardo Da Vinci. The Modern library, 1928.
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