Analysis of information sources in references of the Wikipedia article "Andrea Cambini" in English language version.
Sixteenth-century Italian historians and treatise writers such as... Andrea Cambini
Andrea Cambini's Origin of the Turks and of the Ottoman Empire was reissued several times between 1528 and 1541
...the works of two well-known contemporary Italian historians, Andrea Cambini and Paolo Giovio.28 Without having ever left Italy...
Sixteenth-century Italian historians and treatise writers such as Giovanni Menavino, Andrea Cambini, and Paolo Giovio spoke highly of the Turks' organization and honorable behavior
Useful information can be obtained from the Florentine Andrea CAMBINI. For his work on Ottoman history, written towards the end of the fifteenth century, he seems to have consulted survivors from the siege.