Krishnamurthy, V. (2012). Challenge and Thrill of pre-college mathematics. International New Age.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKrishnamurthy, V. Challenge and Thrill of Pre-college Mathematics. New Delhi: International New Age, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKrishnamurthy, V. Challenge and Thrill of Pre-college Mathematics. International New Age, 2012.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.