Clark, K. (1968). The Drawings of Leonardo Da Vinchi: In the collection of her majesty the queen at Windsor castle. (2nd ed.). Phaidon.
Citace podle Chicago (17th ed.)Clark, Kenneth. The Drawings of Leonardo Da Vinchi: In the Collection of Her Majesty the Queen at Windsor Castle. 2nd ed. London: Phaidon, 1968.
Citace podle MLA (9th ed.)Clark, Kenneth. The Drawings of Leonardo Da Vinchi: In the Collection of Her Majesty the Queen at Windsor Castle. 2nd ed. Phaidon, 1968.
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