Não informado. (1922). Educational research bulletin. Ohio State University, Bureau of Educational Research.
Chicagoスタイル(17版)引用形式Não informado. Educational Research Bulletin. Columbus, Ohio: Ohio State University, Bureau of Educational Research, 1922.
MLA(8版)引用形式Não informado. Educational Research Bulletin. Ohio State University, Bureau of Educational Research, 1922.
警告: この引用は必ずしも正確ではありません.