Pedretti, C. (1973). Leonardo: A study in chronology and style. Thames & Hudson.
Chicago-Zitierstil (17. Ausg.)Pedretti, Carlo. Leonardo: A Study in Chronology and Style. London: Thames & Hudson, 1973.
MLA-Zitierstil (8. Ausg.)Pedretti, Carlo. Leonardo: A Study in Chronology and Style. Thames & Hudson, 1973.
警告：這些引文格式不一定是100％准確.