Spencer, H. Essays on Education ETC. J.M. Dent.
Cita Chicago Style (17a ed.)Spencer, Herbert. Essays on Education ETC. London: J.M. Dent.
Cita MLA (9a ed.)Spencer, Herbert. Essays on Education ETC. J.M. Dent.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.