Não informado. (1968). Journal of Educational Administration and History. University of Leeds, Museum of Education.
Citação do estilo Chicago (17ª ed.)Não informado. Journal of Educational Administration and History. Leeds, Inglaterra: University of Leeds, Museum of Education, 1968.
Citação MLA (8ª ed.)Não informado. Journal of Educational Administration and History. University of Leeds, Museum of Education, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.