Clayton. Many Seconds into the Future. Texas Tech University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रClayton. Many Seconds into the Future. Texas Tech University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रClayton. Many Seconds into the Future. Texas Tech University Press.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.