Não informado. (1930). Journal of Higher Education. Ohio State University, Bureau of Educational Research.
Citação do estilo Chicago (17ª ed.)Não informado. Journal of Higher Education. Columbus, Ohio: Ohio State University, Bureau of Educational Research, 1930.
Citação MLA (8ª ed.)Não informado. Journal of Higher Education. Ohio State University, Bureau of Educational Research, 1930.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.