Dyfyniad APA

Tyack, D. B. (1967). Turning points in American educational history. Blaidsdell.

Dyfyniad Arddull Chicago

Tyack, David B. Turning Points in American Educational History. Massachusets: Blaidsdell, 1967.

Dyfyniad MLA

Tyack, David B. Turning Points in American Educational History. Blaidsdell, 1967.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.