Ellis, A. K. (1986). Teaching and learning elementary social studies (3rd ed.). Allyn and Bacon.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEllis, Arthur K. Teaching and Learning Elementary Social Studies. 3rd ed. Boston: Allyn and Bacon, 1986.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEllis, Arthur K. Teaching and Learning Elementary Social Studies. 3rd ed. Allyn and Bacon, 1986.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.