SPRING, J. H. (2011). The American school: A global context from the puritans to the Obama era. McGraw-Hill Book Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSPRING, Joel H. The American School: A Global Context from the Puritans to the Obama Era. McGraw-Hill Book Company, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSPRING, Joel H. The American School: A Global Context from the Puritans to the Obama Era. McGraw-Hill Book Company, 2011.
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