Holcomb, E. L. (2012). Essentials for principals: Data-based decision making (3rd ed.). Solution Tree Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHolcomb, Edie L. Essentials for Principals: Data-based Decision Making. 3rd ed. Bloomington, Ind.: Solution Tree Press, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHolcomb, Edie L. Essentials for Principals: Data-based Decision Making. 3rd ed. Solution Tree Press, 2012.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.