Dyfyniad APA

Jacobson, P. B., & Reavis, W. C. (1942). Duties of school principals. Prentice-Hall, inc.

Dyfyniad Arddull Chicago

Jacobson, Paul Benjamin, and William Claude Reavis. Duties of School Principals. New York: Prentice-Hall, inc, 1942.

Dyfyniad MLA

Jacobson, Paul Benjamin, and William Claude Reavis. Duties of School Principals. Prentice-Hall, inc, 1942.

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