Burton, W. H. (1929). The supervision of elementary subjects. D. Appleton and company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBurton, William Henry. The Supervision of Elementary Subjects. New York, London: D. Appleton and company, 1929.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBurton, William Henry. The Supervision of Elementary Subjects. D. Appleton and company, 1929.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.