Tyack, D. B. (1974). The one best system: A history of American urban education. Harvard University Press.
Dyfyniad Arddull ChicagoTyack, David B. The One Best System: A History of American Urban Education. Cambridge, Mass.: Harvard University Press, 1974.
Dyfyniad MLATyack, David B. The One Best System: A History of American Urban Education. Harvard University Press, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.