Dyfyniad APA

Henry, N. B. (1957). In-service education for teachers, supervisors, and administrators. Chicago Press.

Dyfyniad Arddull Chicago

Henry, Nelson B. In-service Education for Teachers, Supervisors, and Administrators. Illinois: Chicago Press, 1957.

Dyfyniad MLA

Henry, Nelson B. In-service Education for Teachers, Supervisors, and Administrators. Chicago Press, 1957.

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