Sergiovanni, T. J. (1990). Adding value to leadership gets extraordinary results. [s.n.].
Chicago Style (17th ed.) CitationSergiovanni, Thomas J. Adding Value to Leadership Gets Extraordinary Results. [S.l.]: [s.n.], 1990.
MLA (9th ed.) CitationSergiovanni, Thomas J. Adding Value to Leadership Gets Extraordinary Results. [s.n.], 1990.
Warning: These citations may not always be 100% accurate.