Goldscheider, L. (1969). Leonardo: Paintings and drawings. Phaidon Press.
Lua i Stíl Chicago (17ú heag.)Goldscheider, Ludwig. Leonardo: Paintings and Drawings. Londres: Phaidon Press, 1969.
Lua MLA (9ú heag.)Goldscheider, Ludwig. Leonardo: Paintings and Drawings. Phaidon Press, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.