Clark, K., Pedretti, C., & Leonardo da Vinci. (1969). The drawings of Leonardo da Vinci in the collection of Her Majesty the Queen at Windsor Castle (2. Ed.). London [u.a.]: Phaidon Pr.
Čikaški stil citiranjaClark, Kenneth, Carlo Pedretti, i Leonardo da Vinci. The Drawings of Leonardo Da Vinci in the Collection of Her Majesty the Queen At Windsor Castle. 2. Ed. London [u.a.]: Phaidon Pr, 1969.
MLA način citiranjaClark, Kenneth, Carlo Pedretti, i Leonardo da Vinci. The Drawings of Leonardo Da Vinci in the Collection of Her Majesty the Queen At Windsor Castle. 2. Ed. London [u.a.]: Phaidon Pr, 1969.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.