Romano 2013, p. 224. Romano, Dennis (2013). "Venetian exceptionalism?". Churchmen and Urban Government in Late Medieval Italy, c.1200-c.1450: Cases and Contexts. Cambridge University Press. ISBN978-1-107-04426-5. Retrieved 2013-11-26.
Romano 2013, p. 225. Romano, Dennis (2013). "Venetian exceptionalism?". Churchmen and Urban Government in Late Medieval Italy, c.1200-c.1450: Cases and Contexts. Cambridge University Press. ISBN978-1-107-04426-5. Retrieved 2013-11-26.