Andrews, V. C. (2019). Dark angel (Pocket books paperback edition.). Pocket Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAndrews, V. C. Dark Angel. Pocket books paperback edition. New York: Pocket Books, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAndrews, V. C. Dark Angel. Pocket books paperback edition. Pocket Books, 2019.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.