Sergiovanni, T. J. (1990). Value-added leadership: How to get extraordinary performance in schools. Harcourt Brace Jovanovich, HBJ Leadership.
Цитирование в стиле Чикаго (17-е изд.)Sergiovanni, Thomas J. Value-added Leadership: How to Get Extraordinary Performance in Schools. San Diego: Harcourt Brace Jovanovich, HBJ Leadership, 1990.
Цитирование MLA (9-е изд.)Sergiovanni, Thomas J. Value-added Leadership: How to Get Extraordinary Performance in Schools. Harcourt Brace Jovanovich, HBJ Leadership, 1990.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.