Não informado. (2003). Educational Administration Abstracts. University Council for Educational Administration.
Citação do estilo Chicago (17ª ed.)Não informado. Educational Administration Abstracts. College Station, Tex: University Council for Educational Administration, 2003.
Citação MLA (8ª ed.)Não informado. Educational Administration Abstracts. University Council for Educational Administration, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.