WHO WAS WHO.. (1974). Who was who in American history-science-and technology.-- Ed.76. Marquis Who's Who.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWHO WAS WHO.. Who Was Who in American History-science-and Technology.-- Ed.76. Illinois: Marquis Who's Who, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWHO WAS WHO.. Who Was Who in American History-science-and Technology.-- Ed.76. Marquis Who's Who, 1974.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.