Spring, J. H. (2011). The American school: A global context from the puritans to the Obama era (Eight edition.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Spring, Joel H. The American School: A Global Context from the Puritans to the Obama Era. Eight edition. New York: McGraw-Hill, 2011.
Lua MLA (9ú heag.)Spring, Joel H. The American School: A Global Context from the Puritans to the Obama Era. Eight edition. McGraw-Hill, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.