Dyfyniad APA

Harvard University. Graduate School of Education. (1985). The Harvard education letter. Published by the Harvard Graduate School of Education in association with Harvard University Press.

Dyfyniad Arddull Chicago

Harvard University. Graduate School of Education. The Harvard Education Letter. [Cambridge, MA]: Published by the Harvard Graduate School of Education in association with Harvard University Press, 1985.

Dyfyniad MLA

Harvard University. Graduate School of Education. The Harvard Education Letter. Published by the Harvard Graduate School of Education in association with Harvard University Press, 1985.

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