McCandless, D. (2014). Knowledge is beautiful. Harper Design, an imprint of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcCandless, David. Knowledge Is Beautiful. New York, NY: Harper Design, an imprint of HarperCollinsPublishers, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMcCandless, David. Knowledge Is Beautiful. Harper Design, an imprint of HarperCollinsPublishers, 2014.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.