SANBORN MARK. (2004). FRED FACTOR: HOW PASSION IN YOUR?.EXTRAORDINARY. DOUBLEDAY.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSANBORN MARK. FRED FACTOR: HOW PASSION IN YOUR?.EXTRAORDINARY. NEW YORK: DOUBLEDAY, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSANBORN MARK. FRED FACTOR: HOW PASSION IN YOUR?.EXTRAORDINARY. DOUBLEDAY, 2004.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.