Marshall Cavendish. (1984). Leonardo Da Vinci. Marshall Cavendish.
Lua i Stíl Chicago (17ú heag.)Marshall Cavendish. Leonardo Da Vinci. Hamburg: Marshall Cavendish, 1984.
Lua MLA (8ú heag.)Marshall Cavendish. Leonardo Da Vinci. Marshall Cavendish, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.