Tyack, D. B. (1967). Turning points in American educational history. Blaidsdell.
Cita Chicago Style (17a ed.)Tyack, David B. Turning Points in American Educational History. Massachusets: Blaidsdell, 1967.
Cita MLA (9a ed.)Tyack, David B. Turning Points in American Educational History. Blaidsdell, 1967.
Precaución: Estas citas no son 100% exactas.