Warren, S. M. (2020). The heart of a hero (Center Point Large Print edition.). Center Point Large Print.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWarren, Susan May. The Heart of a Hero. Center Point Large Print edition. Thorndike, Maine: Center Point Large Print, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWarren, Susan May. The Heart of a Hero. Center Point Large Print edition. Center Point Large Print, 2020.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.