Não informado. (1967). History Teacher. Society for History Education.
Chicagoスタイル(17版)引用形式Não informado. History Teacher. Long Beach, Calif: Society for History Education, 1967.
MLA(8版)引用形式Não informado. History Teacher. Society for History Education, 1967.
警告: この引用は必ずしも正確ではありません.