Association for Supervision and Curriculum Development. Educational leadership. Association for Supervision and Curriculum Development.
Chicago-referens (17:e uppl.)Association for Supervision and Curriculum Development. Educational Leadership. Washington: Association for Supervision and Curriculum Development.
MLA-referens (9:e uppl.)Association for Supervision and Curriculum Development. Educational Leadership. Association for Supervision and Curriculum Development.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.