W., G., J., J., R., R.(1986).Educational administration and policy : effective leadership for American education / James W. Guthrie, Rodney J. Reed .New Jersey:Prentice-Hall.
Gaya MLA
Guthrie, James, W.., Reed, Rodney, J.."Educational administration and policy : effective leadership for American education / James W. Guthrie, Rodney J. Reed".New Jersey:Prentice-Hall,1986.Skripsi.