Perry, A. (2023). The fourth enemy (Large print edition.). Thorndike Press, a part of Gale, a Cengage company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPerry, Anne. The Fourth Enemy. Large print edition. Waterville, ME: Thorndike Press, a part of Gale, a Cengage company, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPerry, Anne. The Fourth Enemy. Large print edition. Thorndike Press, a part of Gale, a Cengage company, 2023.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.