Willis, C. (2023). Doomsday book (Del Rey trade paperback edition.). Del Rey, an imprint of Random House, a division of Penguin Random House LLC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWillis, Connie. Doomsday Book. Del Rey trade paperback edition. New York: Del Rey, an imprint of Random House, a division of Penguin Random House LLC, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWillis, Connie. Doomsday Book. Del Rey trade paperback edition. Del Rey, an imprint of Random House, a division of Penguin Random House LLC, 2023.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.