Gelb, M. (1998). How to think like Leonardo Da Vinci: Seven steps to genius every day. Delta Trade Paperbacks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGelb, Michael. How to Think like Leonardo Da Vinci: Seven Steps to Genius Every Day. New York, N.Y.: Delta Trade Paperbacks, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGelb, Michael. How to Think like Leonardo Da Vinci: Seven Steps to Genius Every Day. Delta Trade Paperbacks, 1998.
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