Todd, C. (2002). Watchers of time (Bantam mass market ed.). Bantam Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTodd, Charles. Watchers of Time. Bantam mass market ed. New York: Bantam Books, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTodd, Charles. Watchers of Time. Bantam mass market ed. Bantam Books, 2002.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.