Sergiovanni, T. J. (1990). Value-added leadership: How to get extraordinary performance in schools. Harcourt Brace Jovanovich, HBJ Leadership.
Citace podle Chicago (17th ed.)Sergiovanni, Thomas J. Value-added Leadership: How to Get Extraordinary Performance in Schools. San Diego: Harcourt Brace Jovanovich, HBJ Leadership, 1990.
Citace podle MLA (9th ed.)Sergiovanni, Thomas J. Value-added Leadership: How to Get Extraordinary Performance in Schools. Harcourt Brace Jovanovich, HBJ Leadership, 1990.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..