Robert Krulwich, ‘Leonardo’s To Do List’, NPR, 18 November 2011, .
335
Jane Gleeson-White, Double Entry: How the Merchants of Venice Created Modern Finance (London: Allen and Unwin, 2013), р. 49.
336
Raffaele Pisano, ‘Details on the mathematical interplay between Leonardo da Vinci and Luca Pacioli’, BSHM Bulletin: Journal of the British Society for the History of Mathematics 31(2), 2016, рр. 104–111, DOI: 10.1080/17498430.2015.1091969.
