Dyfyniad APA

Frank, J. (1979). School principal's handbook of evaluation guidelines. Parker.

Dyfyniad Arddull Chicago

Frank, John. School Principal's Handbook of Evaluation Guidelines. New York: Parker, 1979.

Dyfyniad MLA

Frank, John. School Principal's Handbook of Evaluation Guidelines. Parker, 1979.

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