ITN Factual (Firm), PBS Home Video, Sapin, P., & Bingham, B. (2005). Leonardo's dream machines (Widescreen version.). PBS Home Video.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रITN Factual (Firm), PBS Home Video, Paul Sapin, और Bill Bingham. Leonardo's Dream Machines. Widescreen version. [S.l.]: PBS Home Video, 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रITN Factual (Firm), et al. Leonardo's Dream Machines. Widescreen version. PBS Home Video, 2005.
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