Dyfyniad APA

Oliva, P. F. (2001). Supervision for today's schools (6th ed.). New York: John Wiley and Sons.

Dyfyniad Arddull Chicago

Oliva, Peter F. Supervision for Today's Schools. 6th ed. New York: John Wiley and Sons, 2001.

Dyfyniad MLA

Oliva, Peter F. Supervision for Today's Schools. 6th ed. New York: John Wiley and Sons, 2001.

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