Bueno de Mesquita (2011), p. 411. Bueno de Mesquita, D. M. (2011) [1941]. Giangaleazzo Visconti, Duke of Milan (1351–1402): A Study in the Political Career of an Italian Despot. Cambridge: Cambridge University Press. ISBN9780521234559. OCLC941946696.
Bueno de Mesquita (2011), p. 39. Bueno de Mesquita, D. M. (2011) [1941]. Giangaleazzo Visconti, Duke of Milan (1351–1402): A Study in the Political Career of an Italian Despot. Cambridge: Cambridge University Press. ISBN9780521234559. OCLC941946696.
Bueno de Mesquita (2011), pp. 30–37. Bueno de Mesquita, D. M. (2011) [1941]. Giangaleazzo Visconti, Duke of Milan (1351–1402): A Study in the Political Career of an Italian Despot. Cambridge: Cambridge University Press. ISBN9780521234559. OCLC941946696.