Não informado. (1967). History Teacher. Society for History Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. History Teacher. Long Beach, Calif: Society for History Education, 1967.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. History Teacher. Society for History Education, 1967.
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