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.
Dyfyniad Arddull ChicagoClark, Kenneth, Carlo Pedretti, and 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.
Dyfyniad MLAClark, Kenneth, Carlo Pedretti, and 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.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
