Johnson, A. P. (2006). Making connections in elementary and middle school social studies. Sage.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJohnson, Andrew P. Making Connections in Elementary and Middle School Social Studies. Thousand Oaks, Calif: Sage, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJohnson, Andrew P. Making Connections in Elementary and Middle School Social Studies. Sage, 2006.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.