Não informado. (1910). Journal of Educational Psychology. American Psychological Association.
Chicagoスタイル(17版)引用形式Não informado. Journal of Educational Psychology. Arlington, Va: American Psychological Association, 1910.
MLA(8版)引用形式Não informado. Journal of Educational Psychology. American Psychological Association, 1910.
警告: この引用は必ずしも正確ではありません.