Não informado. (1922). Educational research bulletin. Ohio State University, Bureau of Educational Research.
Style de citation Chicago (17e éd.)Não informado. Educational Research Bulletin. Columbus, Ohio: Ohio State University, Bureau of Educational Research, 1922.
Style de citation MLA (8e éd.)Não informado. Educational Research Bulletin. Ohio State University, Bureau of Educational Research, 1922.
Attention : ces citations peuvent ne pas être correctes à 100%.