Van Cleave, C., & Leonardo, d. V. (2008). Leonardo da Vinci and his circle. British Museum.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVan Cleave, Claire, और da Vinci Leonardo. Leonardo Da Vinci and His Circle. London: British Museum, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVan Cleave, Claire, और da Vinci Leonardo. Leonardo Da Vinci and His Circle. British Museum, 2008.
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